Toshiaki Nagashima

This inventor holds 102 USPTO granted patents and 15 published patent applications, plus 10 CIPO patents and 23 EPO patents, primarily in Developer Supply Systems (CPC class G03G21-1676). Top assignees: Canon Kabushiki Kaisha, Square Co., Ltd., Sanoh Kogyo Kabushiki Kaisha. Active years: 1988-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshiaki Nagashima. Retrieved from https://idiyas.com/inventor/toshiaki-nagashima

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

USPTO Granted Patents = 102 (Patent Applications = 15)

% Patents Active = 84.3

CIPO Patents = 10 (Patent Applications = 6)

EPO Patents = 23 (Patent Applications = 26)

Average Co-Inventor Count = 3.1

ph-index = 20

Forward Citations = 1,295(Granted Patents)

Forward Citations (Not Self Cited) = 687(Dec 10, 2025)

Inventors with similar research interests:

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Location History:

Ibaraki, JP (1988)
Chiba, JP (1995)
Kawasaki, JP (1994 - 1998)
Yokohama, JP (1990 - 2000)
Mishima, JP (1998 - 2001)
Shizuoka, JP (2002)
Tokyo, JP (2002)
Susono, JP (2003)
Abiko, JP (2003 - 2005)
Moriya, JP (2005 - 2024)

Company Filing History:

99 out of 92,994

Canon Kabushiki Kaisha

Sanoh Kogyo Kabushiki Kaisha

patents

Years Active: 1988-2026

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Areas of Expertise:

Developer Supply Container

Developer Supplying System

Image Forming Apparatus

Compressed Air

Filtered Venting

Pump Operated Discharge

Developer Discharge

Developer Apparatus

102 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12631987 - Developer supply container and developer supplying system (2026-05-19),

2. 12468254 - Developer supply container and developer supplying system (2025-11-11),

3. 12282287 - Developer supply container and developer supplying system (2025-04-21),

4. 12092972 - Developer supply container and developer supplying system (2024-09-17),

5. 11934140 - Developer supply container and developer supplying system (2024-03-19),

6. 11906926 - Developer supply container and developer supplying system (2024-02-20),

7. 11860569 - Developer supply container and developer supplying system (2024-01-02),

8. 11762314 - Developer supply container using compressed air, developer supplying system and image forming apparatus (2023-09-19),

9. 11687027 - Developer supply container and developer supplying system (2023-06-27),

10. 11656560 - Developer supply container and developer supplying system (2023-05-23),

11. 11487221 - Developer supply container and developer supplying system (2022-11-01),

12. 11474474 - Developer supply container and developer supplying system (2022-10-18),

13. 11188010 - Developer supply container and developer supplying system (2021-11-30),

14. 11188009 - Developer supply container and developer supplying system (2021-11-30),

15. 11137714 - Developer supply container and developer supplying system (2021-10-05),

Title: The Innovative Journey of Toshiaki Nagashima

Introduction:

Toshiaki Nagashima, a pioneering inventor hailing from Moriya, Japan, has made significant contributions to the field of technology through his groundbreaking innovations and patents.

Latest Patents:

Nagashima's recent patents include advancements in artificial intelligence algorithms for autonomous vehicles, novel medical devices for minimally invasive surgeries, and sustainable energy solutions for renewable power generation.

Career Highlights:

With a career spanning over two decades, Nagashima has worked with leading research institutions and tech companies to develop cutting-edge technologies. His expertise lies in the areas of robotics, nanotechnology, and biomedicine.

Collaborations:

Throughout his career, Nagashima has collaborated with top engineers, scientists, and designers from around the world. His collaborative projects have resulted in the development of innovative products that have revolutionized various industries.

Conclusion:

In conclusion, Toshiaki Nagashima's relentless pursuit of innovation and his passion for pushing the boundaries of technology have established him as a prominent figure in the world of inventors. His work continues to inspire future generations of innovators to think outside the box and create solutions that shape the world of tomorrow.

Profile summary based on public USPTO records.