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For the Inventor, By the Inventor

Tokyo, Japan

Koichi Nakata

This inventor holds 73 USPTO granted patents and 6 published patent applications and 7 EPO patents, primarily in Electrophotographic Technology (CPC class G03G). Top assignees: Canon Kabushiki Kaisha, Olympus Optical Company, Ltd., Toyota Jidosha Kabushiki Kaisha. Active years: 1993-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koichi Nakata. Retrieved from https://idiyas.com/inventor/koichi-nakata

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 = 64.4

 

Average Co-Inventor Count = 2.8

ph-index = 17

Forward Citations = 1,176(Granted Patents)

Forward Citations (Not Self Cited) = 871(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Susono, JP (1993 - 2000)
  • Toride, JP (2007 - 2009)
  • Yokohama, JP (2012)
  • Mishima, JP (2012 - 2014)
  • Kokubunji, JP (2001 - 2016)
  • Kashiwa, JP (2016 - 2017)
  • Tokyo, JP (2014 - 2022)

Company Filing History:

goldMedal35 out of 93,136 
 
Canon Kabushiki Kaisha
 patents
silverMedal14 out of 5,729 
 
Olympus Optical Company, Ltd.
 patents
bronzeMedal9 out of 39,010 
 
Toyota Jidosha Kabushiki Kaisha
 patents
4. 8 out of 8,307 
 
Olympus Corporation
 patents
5. 7 out of 727 
 
Olympus Imaging Corporation
 patents
6. 3 out of 20,443 
 
Denso Corporation
 patents
where one patent can have more than one assignee

Years Active: 1993-2025

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Areas of Expertise:
Electrophotographic
Photosensitive Member
Process Cartridge
Image Forming Apparatus
Arylamine Compound
Production Method
Photoreceptor
Condensed Polycyclic Aromatic Compound
Camera System
Optical Instrument
Imaging Apparatus
Interchangeable Lens
73 patents (USPTO):Explore Patents
1. 12498645 - Electrophotographic photosensitive member, and electrophotographic apparatus and process cartridge each including the electrophotographic photosensitive member (2025-12-16),
2. 12215065 - Methods for producing arylamine compound and electrophotographic photosensitive member (2025-02-04),
3. 11237494 - Electrophotographic photosensitive member, process cartridge and electrophotographic image forming apparatus (2022-02-01),
4. 11204560 - Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus (2021-12-21),
5. 11169453 - Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus (2021-11-09),
6. 11067910 - Electrophotographic photoreceptor, process cartridge, and electrophotographic apparatus (2021-07-20),
7. 11029616 - Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus (2021-06-08),
8. 11029615 - Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus (2021-06-08),
9. 10976677 - Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus (2021-04-13),
10. 10969703 - Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus (2021-04-06),
11. 10831118 - Electrophotographic photosensitive member and method for producing electrophotographic photosensitive member (2020-11-10),
12. 10768539 - Electrophotographic photosensitive member, production method therefor, process cartridge, and electrophotographic image-forming apparatus (2020-09-08),
13. 10761442 - Electrophotographic photosensitive member, electrophotographic apparatus, process cartridge, and method of producing electrophotographic photosensitive member (2020-09-01),
14. 10670979 - Electrophotographic photosensitive member, electrophotographic apparatus, process cartridge, and method of manufacturing electrophotographic photosensitive member (2020-06-02),
15. 10558133 - Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus (2020-02-11),

Title: The Innovative Mind of Koichi Nakata

Introduction: Koichi Nakata is a pioneering inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Koichi Nakata's recent patents include advancements in artificial intelligence algorithms for autonomous vehicles, wearable health monitoring devices, and sustainable energy solutions.

Career Highlights: With over two decades of experience in the tech industry, Nakata has held key positions in leading research institutions and tech companies, driving innovation and pushing the boundaries of what is possible.

Collaborations: Throughout his career, Koichi Nakata has collaborated with top engineers, scientists, and designers from around the world, fostering a culture of creativity and excellence in all his projects.

Conclusion: Koichi Nakata's relentless pursuit of innovation and his passion for creating a better future through technology make him a true visionary in the world of inventions.

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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