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For the Inventor, By the Inventor

Fukushima, Japan

Shigeru Fujita

This inventor holds 74 USPTO granted patents and 3 published patent applications and 9 EPO patents, primarily in Secondary Battery Technology (CPC class H01M). Top assignees: Ricoh Company, Ltd., Sony Corporation, Canon Kabushiki Kaisha. Active years: 1995-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeru Fujita. Retrieved from https://idiyas.com/inventor/shigeru-fujita

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

USPTO Granted Patents = 74 

% Patents Active = 70.3

 

Average Co-Inventor Count = 3.1

ph-index = 14

Forward Citations = 672(Granted Patents)

Forward Citations (Not Self Cited) = 655(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kitashinagawa, JP (1997)
  • Atsugi, JP (1999 - 2003)
  • Kawasaki, JP (2000 - 2004)
  • Machida, JP (1997 - 2009)
  • Miyagi, JP (2009)
  • Tokyo, JP (1995 - 2015)
  • Kanagawa, JP (2000 - 2018)
  • Yokohama, JP (2011 - 2018)
  • Fukushima, JP (2014 - 2020)
  • Kyoto, JP (2022 - 2023)

Company Filing History:

goldMedal25 out of 28,940 
 
Ricoh Company, Ltd.
 patents
silverMedal21 out of 58,145 
 
Sony Corporation
 patents
bronzeMedal11 out of 92,994 
 
Canon Kabushiki Kaisha
 patents
4. 8 out of 13,796 
 
Murata Manufacturing Co., Ltd.
 patents
5. 5 out of 1,294 
 
Zeon Corporation
 patents
6. 4 out of 1,008 
 
Mitsui Petrochemical Industries, Ltd.
 patents
7. 1 out of 39,374 
 
Fujitsu Corporation
 patents
8. 1 out of 1,816 
 
Mitsui Chemicals, Inc.
 patents
9. 1 out of 150 
 
Murata Manufacturingco., Ltd.
 patents
10. 1 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 1995-2023

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Areas of Expertise:
Secondary Battery
Electrolytic Solution
Anode
Battery Pack
Electric Vehicle
Power Storage System
Nonaqueous Electrolyte
Image Processing
Crosslinkable Rubber
Data Decoding
Lead Pin Correction
74 patents (USPTO):Explore Patents
1. 11695119 - Negative electrode for secondary battery, secondary battery, battery pack, electric vehicle, power storage system, power tool, and electronic device (2023-07-04),
2. 11228025 - Anode for secondary battery, secondary battery, battery pack, electric motor vehicle, power storage system, electric tool, and electronic device (2022-01-18),
3. 10680284 - Secondary battery, battery pack, electric vehicle, electric power storage system, electric power tool, and electronic apparatus (2020-06-09),
4. 10665903 - Secondary battery, battery pack, electric vehicle, electric power storage system, electric power tool, and electronic apparatus (2020-05-26),
5. 10553895 - Secondary battery-use electrolytic solution, secondary battery, battery pack, electric vehicle, electric power storage system, electric power tool, and electronic apparatus (2020-02-04),
6. 10411300 - Electrolytic solution material, electrolytic solution, and secondary battery (2019-09-10),
7. 10326167 - Secondary battery-use electrolytic solution, secondary battery, battery pack, electric vehicle, electric power storage system, electric power tool, and electronic apparatus (2019-06-18),
8. 10312518 - Anode and method of manufacturing the same, and secondary battery (2019-06-04),
9. 9953251 - Image processing apparatus and image processing method for executing image processing using multiple serial image processing units to process different colors (2018-04-24),
10. 9935336 - Secondary battery, battery pack, electric vehicle, and electric power storage system (2018-04-03),
11. 9897954 - Base for fixing belt, fixing belt, fixing device, and image forming apparatus (2018-02-20),
12. 9825337 - Non-aqueous electrolyte battery including an amorphous material (2017-11-21),
13. 9467709 - Data decoding device and process operating depending on selected modes (2016-10-11),
14. 9361057 - Image processing apparatus and image processing method for executing image processing using multiple image processing units (2016-06-07),
15. 9291969 - Base for fixing belt, fixing belt, fixing device, and image forming apparatus (2016-03-22),

Title: The Innovative Journey of Shigeru Fujita

Introduction: Shigeru Fujita, a pioneering inventor hailing from Fukushima, Japan, has made significant contributions to the field of technology through his groundbreaking innovations.

Latest Patents: Shigeru Fujita's latest patents include advancements in renewable energy technologies, artificial intelligence systems, and sustainable materials.

Career Highlights: With a career spanning over two decades, Shigeru Fujita has established himself as a leading figure in the tech industry, with a focus on creating solutions that address pressing global challenges.

Collaborations: Throughout his career, Shigeru Fujita has collaborated with top research institutions, universities, and tech companies to bring his inventions to life and make a positive impact on society.

Conclusion: Shigeru Fujita's dedication to innovation and his relentless pursuit of technological advancement continue to inspire the next generation of inventors and shape the future of technology.

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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