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For the Inventor, By the Inventor

Tokyo, Japan

Eiji Takahashi

This inventor holds 73 USPTO granted patents and 14 published patent applications and 9 EPO patents, primarily in Internal Combustion Engines (CPC class H01L). Top assignees: Nec Corporation, Nissan Motor Company Limited, Hodogaya Chemical Co., Ltd.. Active years: 1977-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Eiji Takahashi. Retrieved from https://idiyas.com/inventor/eiji-takahashi

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 73 

% Patents Active = 74.0

 

Average Co-Inventor Count = 2.3

ph-index = 9

Forward Citations = 457(Granted Patents)

Forward Citations (Not Self Cited) = 456(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Narashino, JA (1977)
  • Koganei, JP (1985)
  • Funabashi, JP (1986)
  • Tochigi, JP (2001 - 2003)
  • Minato-ku, JP (2014 - 2015)
  • Ibaraki, JP (2013 - 2017)
  • Isehara, JP (2015 - 2019)
  • Tsukuba, JP (2014 - 2020)
  • Kanagawa, JP (2017 - 2020)
  • Tagajo, JP (2021)
  • Shimotsuke, JP (2021)
  • Shinagawa-ku, JP (2020 - 2022)
  • Tokyo, JP (1980 - 2024)

Company Filing History:

goldMedal18 out of 36,735 
 
Nec Corporation
 patents
silverMedal13 out of 13,420 
 
Nissan Motor Company Limited
 patents
bronzeMedal10 out of 328 
 
Hodogaya Chemical Co., Ltd.
 patents
4. 6 out of 560 
 
Calsonic Kansei Corporation
 patents
5. 6 out of 721 
 
Dexerials Corporation
 patents
6. 5 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents
7. 3 out of 126 
 
Calsonic Corporation
 patents
8. 3 out of 185 
 
Morinaga Milk Industry Co., Ltd.
 patents
9. 2 out of 450 
 
Fujikin Inc.
 patents
10. 2 out of 42,743 
 
Hitachi, Ltd.
 patents
11. 1 out of 1 
 
Dexerials Coporation
 patent
12. 1 out of 1,112 
 
Hitachi Maxell, Limited
 patents
13. 1 out of 107 
 
Jujo Paper Co., Ltd.
 patents
14. 1 out of 2 
 
Mikasa Sangyo Kabushiki Kaisha
 patents
15. 1 out of 1,008 
 
Mitsui Petrochemical Industries, Ltd.
 patents
16. 1 out of 196 
 
Nec C Orporation
 patents
17. 1 out of 343 
 
Nippon Paper Industries Co., Ltd.
 patents
18. 1 out of 58,148 
 
Sony Corporation
 patents
19. 1 out of 8,271 
 
Tdk Corporation
 patents
20. 1 out of 177 
 
The Tokyo Electric Power Company, Incorporated
 patents
21. 1 out of 10,933 
 
Tokyo Electron Limited
 patents
22. 2 out of 834,601 
Other
 patents
where one patent can have more than one assignee

Years Active: 1977-2026

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Areas of Expertise:
Internal Combustion Engine
Control Method
Variable Compression Ratio
Optical Device
Organic Electroluminescent Device
Communication System
Content Delivery
Data Transfer
Polarizing Plate
Block Copolymer
Trajectory Based Beam Selection
73 patents (USPTO):Explore Patents
1. 12750736 - Control apparatus, communication system, control method, and non-transitory computer-readable medium (2026-09-29),
2. 12689916 - Base station, apparatus, method and computer readable medium for mixed-numerology configuration selection (2026-07-21),
3. 12627386 - Model building apparatus and model building method, root cause estimation apparatus and root cause estimation method, and recording medium (2026-05-12),
4. 12587308 - Control apparatus and method thereof for adapting downlink or uplink transmission parameters to radio link condition (2026-03-24),
5. 11989281 - White list generation device, control method, and program (2024-05-21),
6. 11569893 - User equipment trajectory based beam selection (2023-01-31),
7. 11262491 - Polarizing plate having alternately stacked layers having different deposition directions (2022-03-01),
8. 11002993 - Depolarizing plate, optical device and liquid-crystal display device including same, and depolarizing plate production method (2021-05-11),
9. 10907250 - Block copolymer pattern formation method and diffraction limited optical element (2021-02-02),
10. 10873873 - Communication load estimation system, information processing device, method, and program (2020-12-22),
11. 10851709 - Internal combustion engine control method and control device (2020-12-01),
12. 10779279 - Wireless station, network device, control method, storage medium storing program, and communication system for calculating an available bandwidth in a wireless link (2020-09-15),
13. 10732335 - Polarizing plate having absorption layer comprising only tantalum and niobium (2020-08-04),
14. 10541369 - Compound having substituted bipyridyl group and pyridoinodole ring structure, and organic electroluminescent device (2020-01-21),
15. 10527768 - Inorganic polarizing plate and method for manufacturing same (2020-01-07),

Title: The Innovative Mind of Eiji Takahashi

Introduction: Eiji Takahashi, a visionary inventor hailing from Tokyo, Japan, is renowned for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Eiji Takahashi holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous commitment to pushing the boundaries of what is possible.

Career Highlights: With a career spanning over two decades, Eiji Takahashi has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant advancements in various industries.

Collaborations: Throughout his career, Eiji Takahashi has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge sharing.

Conclusion: Eiji Takahashi's relentless pursuit of innovation and his passion for creating solutions to complex challenges have solidified his position as a trailblazer in the world of technology, inspiring future generations to think beyond the conventional and embrace the power of creativity.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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