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.

USPTO Granted Patents = 73 (Patent Applications = 6)

% Patents Active = 64.4

EPO Patents = 7 (Patent Applications = 6)

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:

35 out of 92,799

Canon Kabushiki Kaisha

patents

14 out of 5,729

Olympus Optical Company, Ltd.

patents

9 out of 38,723

Toyota Jidosha Kabushiki Kaisha

Olympus Imaging Corporation

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):Sort by Forward CitationsExplore 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.