Webinar | TiO₂ alternatives for food, pharma, and personal care Register Here

Inside Sharp’s Patent Strategy in 5G: Filings, Litigation Trends, and Licensing Power

sharp in 5G

Authors

Sharp Corporation has long been a foundational name in the global electronics landscape, renowned for its pioneering innovations in display technologies, consumer electronics, and a wide array of industrial solutions. In an industry defined by rapid technological evolution and intense competition, intellectual property (IP) stands as a critical pillar of market leadership. Sharp’s strategic management of its patent portfolio not only safeguards its groundbreaking inventions but also decisively influences the broader technological trajectory of the industry. This deep dive explores how Sharp leverages its IP assets, manages its extensive portfolio, and navigates the dynamic patent landscape, underscoring its enduring impact on innovation.

The Unmistakable Influence of Sharp’s Foundational Patents

In the highly competitive electronics sector, the strength of a patent portfolio is often measured by its ability to shape the innovation pathways of others. Sharp’s patents demonstrate significant influence, particularly in display technology, where their prior art has served as a benchmark for subsequent innovations. Over the past two and a half years (from April 2022 to October 2024), Sharp’s patents have played a pivotal role in shaping the development efforts of numerous industry players.

A select group of Sharp’s patents has notably been cited multiple times by patent examiners to highlight the existing state of the art, influencing filings by other leading companies. For instance, the patent US20220394301A1 alone was referenced in rejections for over 30 patent applications from prominent entities, including Apple Inc. and BOE Technology Group. This demonstrates the foundational nature of Sharp’s contributions and their enduring relevance in the rapidly evolving display domain.

Beyond this, several other patents within Sharp’s portfolio have similarly proven their strength, reinforcing the company’s strong IP position:

Patent Number (Example)Applications Influenced (approx.) 
US11860701B2Over 20
US11979611B2About 15
US12096033B2More than 10
US12063178B2Around 10
US12069744B2Approximately 10

These patents not only underscore Sharp’s innovative prowess but also signal significant licensing potential, given their critical role in defining the scope of subsequent inventions across the industry.

Shaping the Competitive Landscape: Companies Innovating in Similar Domains

Sharp’s robust patent portfolio consistently guides and influences the innovation trajectories of other companies. Many leading technology firms, working on advancements in areas overlapping with Sharp’s patented concepts, have found their patent applications refined or redirected due to the existence of Sharp’s prior art. This dynamic highlights Sharp’s significant impact on the industry’s R&D landscape.

Several prominent companies have had their patent applications referenced during the examination process, indicating their focus on similar technological challenges, as Sharp’s existing IP was cited. This engagement demonstrates the pervasive influence of Sharp’s innovations:

Company NameInstances of Influence (approx.) 
Qualcomm IncorporatedOver 85
LG Electronics IncAround 40
Bytedance (including affiliates)More than 45
Samsung Electronics Co., Ltd. (including affiliates)Over 40
Apple IncNearly 20

Furthermore, the strength of Sharp’s patents is evidenced by instances where examiner citations to Sharp’s intellectual property contributed to the strategic abandonment of patent applications by other entities. This outcome, observed between April 2022 and October 2024, underscores the high quality and strategic value of Sharp’s portfolio:

  • LG Electronics Inc.: more than 3 instances
  • Beijing Bytedance Network Technology Co, Ltd: no less than 1 instance
  • Samsung Electronics Co, Ltd: no less than 1 instance
  • Apple Inc.: no less than 1 instance
  • Cilag Gmbh International: no less than 1 instance

These instances reflect the comprehensive nature of Sharp’s IP protection, ensuring that its innovations are not only recognized but also respected across the industry.

Agile IP Strategies: Optimizing Patent Prosecution

Sharp’s approach to patent portfolio optimization is characterized by a dynamic blend of traditional and accelerated strategies, ensuring its innovations are both broadly protected and rapidly secured in critical areas. This adaptive management reflects a nuanced understanding of market urgency and competitive dynamics.

One notable aspect of Sharp’s strategy is its judicious use of the United States Patent and Trademark Office’s (USPTO) Track One program, also known as Prioritized Examination. This accelerated pathway allows companies to expedite patent grants, providing a significant competitive advantage for rapid market entry. In the last three years (up to Q2 2024), Sharp strategically filed more than 15 U.S. patents through Track One, out of a total of more than 1,700 U.S. patents granted to the company during that period.

A closer look at these fast-tracked patents reveals Sharp’s key areas of high-priority innovation:

  • Display and Device Technologies: Including cutting-edge advancements in Organic Electroluminescent (OEL) Displays and innovative Character Input systems.
  • Communication and Network Control: Covering critical areas such as Multi-access PDN Connection, Session Establishment, and Data Packet Delivery mechanisms crucial for next-generation networks.
  • Medical Devices: Featuring innovations in Intubated Tubes and Feeding Tubes, signaling Sharp’s diversification into healthcare technology.
  • Cooking and Exhaust Systems: Encompassing designs for Cooking Systems, Exhaust Coupling, and Steam Cooking Devices, highlighting consumer appliance innovation.

This strategic deployment of Track One requests showcases Sharp’s agility in bringing high-impact innovations to market swiftly, signaling areas where competitors should observe closely for future developments.

Sharp also demonstrates a commitment to strategic portfolio optimization through its approach to patent discontinuation. Over the past five years, out of approximately 53,500 patents and applications, Sharp strategically discontinued around 7,900, representing a discontinuation rate of approximately 15%. This disciplined approach ensures that the portfolio remains lean, focused on high-value assets, and aligned with current business objectives, reflecting a commitment to efficient IP budget allocation.

Geographic Patent Filing Trends: Sharp’s Global Footprint

Sharp’s global patent filing strategy mirrors its expansive market presence and strategic R&D hubs, with a strong emphasis on key regions that drive technological adoption and manufacturing. Its geographical distribution of patents underscores a balanced approach to protecting innovation across established and emerging markets.

JurisdictionApproximate Number of PatentsStrategic Significance 
JapanOver 56,800As Sharp’s home country, Japan serves as its primary R&D powerhouse, ensuring leadership in domestic electronics and display technologies.
United StatesOver 32,100Critical for protecting innovations in one of the world’s largest consumer electronics markets and a hub for advanced technology.
WIPO (WO)Nearly 19,900Reflects a global strategy for broad international IP protection through the Patent Cooperation Treaty (PCT) system.
ChinaOver 19,500Highlights recognition of China’s dual role as a significant manufacturing base and a rapidly expanding consumer market.
Europe (EP)Over 9,400Essential for securing IP in high-value European markets, characterized by stringent intellectual property laws.
Asia-Pacific (total)Over 81,600The collective strength across Japan, China, Taiwan (over 3,100), Korea (over 1,500), and other Southeast Asian nations like Malaysia (nearly 200) and Singapore (nearly 200), forms the backbone of Sharp’s innovation and manufacturing strategy in a dynamic economic region.
Emerging Markets (e.g.)VariedGradual expansion into regions like Brazil (nearly 930), Mexico (nearly 300), Russia (over 500), and South Africa (over 50) indicates strategic exploration of new growth opportunities and early IP positioning in developing economies. India, with more than 15 patents, represents an area of potential future focus.

This strategic geographic distribution ensures Sharp maintains its competitive edge in core markets while proactively securing its interests in burgeoning economies.

Expert Legal Partnerships: A Pillar of IP Strength

The sophisticated management of Sharp’s extensive IP portfolio relies heavily on collaborations with leading legal and intellectual property firms. Over the past decade (2014-2024), these partnerships have been instrumental in shaping Sharp’s patent landscape, particularly in the critical domains of display and consumer electronics technologies.

Top law firms contributing to Sharp’s patent strength globally:

  • HARAKENZO WORLD PATENT & TRADEMARK: Over 2,800 patent filings.
  • ScienBiziP, P.C.: Over 2,700 patent filings.
  • Keating & Bennett, LLP: Over 2,600 patent filings.
  • Müller Hoffmann & Partner: Over 1,600 patent filings.
  • Birch, Stewart, Kolasch & Birch, LLP: Over 1,200 patent filings.

These firms not only handle the voluminous filings but also provide strategic guidance on navigating complex patent laws across jurisdictions. When focusing on Sharp’s key jurisdictions over the last five years (2019-2024), specific firms emerge as critical partners for region-specific expertise:

  • Europe (EP): Müller Hoffmann & Partner
  • United States (US): ScienBiziP, P.C.
  • WIPO (WO): HARAKENZO WORLD PATENT & TRADEMARK

This demonstrates Sharp’s meticulous selection of legal partners tailored to the nuances of each major patent office, ensuring specialized support for its global IP endeavors.

Innovators at the Forefront: Sharp’s Key Inventors

Sharp’s enduring legacy of innovation is powered by a cadre of visionary inventors, particularly those contributing to the advancement of wireless communication technologies. These individuals are instrumental in developing and standardizing next-generation networks, ensuring Sharp remains at the vanguard of mobile communications and wireless standards.

Among the notable contributors:

  • Shoichi Suzuki: Has significantly contributed to wireless communications, enhancing connectivity and efficiency in Sharp’s mobile devices.
  • Shohei Yamada (active since 2000): An expert in 3GPP RAN1 and RAN2, focusing on radio access technologies vital for wireless network performance and optimization within the 3GPP framework.
  • Toshizo Nogami (active since 2004): Has extensively worked on LTE and NR (New Radio), securing Sharp’s competitive position in the rapidly evolving 4G and 5G technology spaces.
  • Kazanari Yokomakura: Plays a crucial role in wireless standards, helping ensure Sharp’s technologies align with global wireless communication protocols for international competitiveness.
  • Kimihiko Imamura (active since 2007): Another key contributor to 3GPP RAN1, specializing in radio access network innovations essential for the development of 5G and beyond.

This distinguished group of inventors underscores Sharp’s unwavering commitment to advancing wireless communication technologies and its pivotal role in shaping the future of mobile communications and global wireless standards.

Conclusion: Sharp’s Enduring IP Leadership

Sharp Corporation’s intellectual property strategy is a sophisticated blend of proactive innovation, diligent portfolio management, and strategic legal partnerships. By consistently producing foundational patents that influence broad swaths of the industry, strategically accelerating critical filings, and meticulously managing its global patent footprint, Sharp reinforces its position as an IP leader.

The company’s focus on key technological domains, ranging from advanced displays and consumer electronics to next-generation wireless communications and emerging medical devices, illustrates its dynamic adaptability and foresight. Sharp’s commitment to robust IP protection ensures its innovations remain competitive and continue to drive technological progress across the global landscape.

Want regular updates on how your competitors are using patents to gain an edge?

Subscribe to our Inside IP newsletter for insights into patent filings, litigation shifts, licensing opportunities, and strategy breakdowns across tech and innovation-driven sectors.

Track your Competitors’ IP Strategy

Track your Competitors’ IP Strategy

Subscribe for Updates

Share This Article:

Authors

Related Articles

Table of Contents

More Curated Insights For You

Facing A Roadblock On Your Project?

Our Experts Are Here To Help.