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For the Inventor, By the Inventor

Kanagawa, Japan

Tsutomu Takahashi

This inventor holds 70 USPTO granted patents and 2 published patent applications, plus 3 CIPO patents, primarily in Refrigeration Technology (CPC class C10M). Top assignees: Canon Kabushiki Kaisha, Fujitsu Corporation, Sony Corporation. Active years: 1987-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsutomu Takahashi. Retrieved from https://idiyas.com/inventor/tsutomu-takahashi

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

USPTO Granted Patents = 70 

% Patents Active = 78.6


Average Co-Inventor Count = 2.5

ph-index = 15

Forward Citations = 1,075(Granted Patents)

Forward Citations (Not Self Cited) = 1,062(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Sakura, JP (1987)
  • Ohta-ku, Tokyo, JP (2000)
  • Kawasaki, JP (1989 - 2014)
  • Yokohama, JP (1992 - 2016)
  • Kanagawa, JP (1995 - 2017)
  • Kanagawa-ken, JP (2015 - 2017)
  • Tokyo, JP (2006 - 2020)

Company Filing History:

goldMedal19 out of 93,085 
 
Canon Kabushiki Kaisha
 patents
silverMedal13 out of 39,378 
 
Fujitsu Corporation
 patents
bronzeMedal12 out of 58,147 
 
Sony Corporation
 patents
4. 5 out of 150 
 
Sony Ericsson Mobile Communications Japan, Inc.
 patents
5. 4 out of 42,740 
 
Hitachi, Ltd.
 patents
6. 4 out of 53,276 
 
Kabushiki Kaisha Toshiba
 patents
7. 4 out of 42 
 
Sony Mobile Communications Japan, Inc.
 patents
8. 3 out of 61 
 
Jxtg Nippon Oil & Energy Corporation
 patents
9. 2 out of 16,618 
 
Mitsubishi Electric Corporation
 patents
10. 2 out of 732 
 
Sony Mobile Communications Inc.
 patents
11. 1 out of 1,157 
 
Agc Inc.
 patents
12. 1 out of 2,579 
 
Ebara Corporation
 patents
13. 1 out of 1,258 
 
Hitachi-Kokusai Electric Inc.
 patents
14. 1 out of 331 
 
Jx Nippon Oil Energy Corporation
 patents
15. 1 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents
16. 1 out of 400 
 
Nabtesco Corporation
 patents
17. 1 out of 220 
 
Teijin Seiki Co., Ltd.
 patents
18. 3 out of 834,570 
Other
 patents
where one patent can have more than one assignee

Years Active: 1987-2020

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Areas of Expertise:
Refrigerator Oil
Working Fluid Composition
Axial Flow Fan
Semiconductor Device
Touch-Sensitive Sheet
Input Device
Electronic Apparatus
Printing Apparatus
Digital Radio Receiver
Vibration Assembly
Optical Path Switching
Communication Device
70 patents (USPTO):Explore Patents
1. 10550855 - Axial flow fan (2020-02-04),
2. 10550351 - Refrigerator oil and refrigerator working fluid composition (2020-02-04),
3. 10253276 - Refrigerating-machine oil and working-fluid composition for refrigerating machine (2019-04-09),
4. 10208770 - Axial flow fan (2019-02-19),
5. 10053644 - Refrigerator oil, and working fluid composition for refrigerators (2018-08-21),
6. 10047315 - Refrigeration oil and working fluid composition for refrigeration oil (2018-08-14),
7. 9705009 - Semiconductor device (2017-07-11),
8. 9658694 - Touch-sensitive sheet member, input device and electronic apparatus (2017-05-23),
9. 9516778 - Electronic device and insertion error protection device (2016-12-06),
10. 9336969 - Press detection sensor, input device and electronic apparatus (2016-05-10),
11. 9312709 - Charging stand (2016-04-12),
12. 9244531 - Touch-sensitive sheet member, input device and electronic apparatus (2016-01-26),
13. 9147641 - Semiconductor device (2015-09-29),
14. 8730682 - Electronic apparatus on which plug-in unit can be mounted (2014-05-20),
15. 8681508 - Electronic apparatus (2014-03-25),

Title: The Innovative Journey of Tsutomu Takahashi

Introduction: Tsutomu Takahashi, a pioneering inventor hailing from Kanagawa, Japan, has made significant contributions to the world of technology through his groundbreaking innovations.

Latest Patents: Tsutomu Takahashi's recent patents include advancements in artificial intelligence algorithms for autonomous vehicles, wearable technology for healthcare monitoring, and sustainable energy solutions for urban environments.

Career Highlights: With over two decades of experience in research and development, Tsutomu Takahashi has held key positions in leading tech companies, driving forward cutting-edge projects in the fields of robotics, nanotechnology, and renewable energy.

Collaborations: Throughout his career, Tsutomu Takahashi has collaborated with top universities and research institutions in Japan and beyond, fostering a culture of innovation and knowledge exchange. His partnerships have led to the development of revolutionary technologies with real-world applications.

Conclusion: Tsutomu Takahashi's relentless pursuit of innovation and his passion for pushing the boundaries of technology have solidified his reputation as a visionary inventor in the global tech community. His work continues to inspire future generations of inventors to think boldly and create solutions that shape the world of tomorrow.

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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