Tokyo, Japan

Tsutomu Nakamura

This inventor holds 79 USPTO granted patents and 1 published patent application and 8 EPO patents, primarily in Silicone Rubber Compositions (CPC class 5244). Top assignees: Shin-Etsu Chemical Co., Ltd., Sumitomo Electric Industries, Limited, Olympus Corporation. Active years: 1979-2024.

USPTO Granted Patents = 79 

% Patents Active = 86.1

 

Average Co-Inventor Count = 3.0

ph-index = 16

Forward Citations = 1,049(Granted Patents)

Forward Citations (Not Self Cited) = 1,017(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Iwakuni-shi, Yamaguchi-ken, JP (1981)
  • Takasaki, JP (1987 - 1988)
  • Gunma, JP (1985 - 1994)
  • Itami, JP (1986 - 1999)
  • Usui-gun, JP (1996 - 2002)
  • Hyogo, JP (1993 - 2003)
  • Saitama, JP (2001 - 2007)
  • Matsuida-machi, JP (2005 - 2007)
  • Hirosaki, JP (2007)
  • Gunma-ken, JP (2002 - 2014)
  • Sagamihara, JP (2019)
  • Annaka, JP (1988 - 2023)
  • Tokyo, JP (1979 - 2024)

Company Filing History:

goldMedal41 out of 5,989 
 
Shin-Etsu Chemical Co., Ltd.
 patents
silverMedal12 out of 10,631 
 
Sumitomo Electric Industries, Limited
 patents
bronzeMedal5 out of 8,300 
 
Olympus Corporation
 patents
4. 3 out of 36,676 
 
Nec Corporation
 patents
5. 3 out of 1,261 
 
Olympus Medical Systems Corporation
 patents
6. 2 out of 86 
 
Fujimori Kogyo Co., Ltd.
 patents
7. 2 out of 1,816 
 
Mitsui Chemicals, Inc.
 patents
8. 2 out of 67 
 
Nissin Chemical Industry Co., Ltd.
 patents
9. 1 out of 39,371 
 
Fujitsu Corporation
 patents
10. 1 out of 773 
 
Hirose Electric Company, Ltd.
 patents
11. 1 out of 1,380 
 
Hitachi High-Tech Corporation
 patents
12. 1 out of 730 
 
Kyowa Hakko Kogyo Co., Ltd.
 patents
13. 1 out of 22 
 
Meisei Electric Co., Ltd.
 patents
14. 1 out of 1,875 
 
Oki Data Corporation
 patents
15. 1 out of 4,980 
 
Oki Electric Industry Co., Ltd.
 patents
16. 1 out of 460 
 
Rhodia Chimie
 patents
17. 1 out of 24 
 
Shin-Estu Chemical Co., Ltd.
 patents
18. 1 out of 5 
 
Sho-Bond Corporation
 patents
19. 1 out of 200 
 
Snow Brand Milk Products Co., Ltd.
 patents
20. 1 out of 95 
 
Tokuyama Soda Kabushiki Kaisha
 patents
21. 7 out of 834,453 
Other
 patents
where one patent can have more than one assignee

Years Active: 1979-2024

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Areas of Expertise:
Silicone Rubber Composition
Corrosion Prevention
Endoscopic Instrument
Optical Connector
Granulated Silica
Conductive Silicone
Rubber Composition
Mucosa Separation
Desiccant Technology
Polymer Electrolyte Fuel-Cell
High-Frequency Treatment
Pitch Fiber Bundle
79 patents (USPTO):Explore Patents

Title: Tsutomu Nakamura: Pioneering Inventor from Tokyo

Introduction: Tsutomu Nakamura is a renowned inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Nakamura's latest patents include advancements in artificial intelligence algorithms for autonomous vehicles, wearable technology for healthcare monitoring, and sustainable energy solutions.

Career Highlights: With over two decades of experience in research and development, Nakamura has worked with leading tech companies in Japan, spearheading projects that have revolutionized various industries.

Collaborations: Throughout his career, Nakamura has collaborated with top universities and research institutions in Japan, fostering a culture of innovation and knowledge-sharing within the scientific community.

Conclusion: Tsutomu Nakamura's relentless pursuit of innovation and his passion for creating cutting-edge solutions continue to inspire the next generation of inventors and researchers worldwide.

Profile summary based on public USPTO records.
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