Kanagawa, Japan

Satoshi Takahashi

This inventor holds 142 USPTO granted patents and 11 published patent applications and 5 EPO patents, primarily in Image Processing Technology (CPC class 204603). Top assignees: Ricoh Company, Ltd., Hitachi, Ltd., Fujitsu Corporation. Active years: 1987-2026.

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

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

USPTO Granted Patents = 142 

% Patents Active = 84.5

 

Average Co-Inventor Count = 2.4

ph-index = 23

Forward Citations = 2,539(Granted Patents)

Forward Citations (Not Self Cited) = 2,467(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Yokohama-shi, Kanagawa-ken, JP (1993)
  • Yokosuka, JP (1998)
  • Machida, JP (1999)
  • Kunitachi, JP (1996 - 2000)
  • Kanagawa-ken, JP (2000)
  • Nagayama Tama, JP (2001)
  • Kanuma, JP (2002)
  • Tochigi, JP (1987 - 2003)
  • Kokubunji, JP (1989 - 2003)
  • Kawasaki, JP (1999 - 2005)
  • Fukaya, JP (2007)
  • Hachioji, JP (1991 - 2011)
  • Chigasaki, JP (2008 - 2012)
  • Tama, JP (2002 - 2013)
  • Shizuoka, JP (1999 - 2015)
  • Yokohama, JP (1991 - 2023)
  • Kanagawa, JP (1994 - 2023)
  • Musashino, JP (2024)

Company Filing History:

goldMedal36 out of 28,951 
 
Ricoh Company, Ltd.
 patents
silverMedal24 out of 42,740 
 
Hitachi, Ltd.
 patents
bronzeMedal13 out of 39,378 
 
Fujitsu Corporation
 patents
4. 12 out of 194 
 
Asm Japan K.k.
 patents
5. 10 out of 8,997 
 
Nikon Corporation
 patents
6. 8 out of 186 
 
Sony Chemicals Corporation
 patents
7. 6 out of 58,147 
 
Sony Corporation
 patents
8. 5 out of 53,276 
 
Kabushiki Kaisha Toshiba
 patents
9. 5 out of 5,300 
 
Nippon Telegraph and Telephone Corporation
 patents
10. 4 out of 36,718 
 
Nec Corporation
 patents
11. 3 out of 2,636 
 
Hitachi Global Storage Technologies Netherlands B.v.
 patents
12. 2 out of 2,407 
 
Fujifilm Business Innovation Corp.
 patents
13. 2 out of 3,106 
 
Konica Corporation
 patents
14. 2 out of 10,647 
 
Sumitomo Electric Industries, Limited
 patents
15. 2 out of 266 
 
Toshiba Materials Co., Ltd.
 patents
16. 1 out of 1,430 
 
Agency of Industrial Science and Technology
 patents
17. 1 out of 228 
 
Hitachi Software Engineering Company, Ltd.
 patents
18. 1 out of 341 
 
Ishikawajima-Harima Heavy Industries Co., Ltd.
 patents
19. 1 out of 471 
 
National Institute of Information and Communications Technology, Incorporated
 patents
20. 1 out of 35 
 
Nikon Metrology Nv
 patents
21. 1 out of 77 
 
Nomura Research Institute, Ltd.
 patents
22. 1 out of 7,657 
 
Renesas Electronics Corporation
 patents
23. 5 out of 834,570 
Other
 patents
where one patent can have more than one assignee

Years Active: 1987-2026

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Areas of Expertise:
Image Forming Methods
Measurement Devices
Liquid Application Technologies
Sintered Body Manufacturing
Toner Production
Communication Methods
Information Processing
Depth Measurement
Culturing Assistance
Exposure Apparatus
Droplet Ejector Cleaning
Substrate Bonding
142 patents (USPTO):Explore Patents

Title: Satoshi Takahashi: Innovative Japanese Inventor with 123 Patents

Introduction:

Satoshi Takahashi is a prolific inventor hailing from Kanagawa, Japan, with an impressive portfolio of 123 patents. Renowned for his groundbreaking contributions in the field of ink and image forming technology, Takahashi has made significant advancements in various industries throughout his career. This article delves into his latest patents, career highlights, and notable collaborations.

Latest Patents:

Among Satoshi Takahashi's recent patents, two stand out for their innovative approach in the respective fields. The first patent focuses on ink, image forming apparatus, and image forming methods, showcasing his expertise in printing technology. This invention describes an ink formulation containing a pigment, water, and a resin. The resulting image, when formed on a print medium at a resolution of 1,200 dpi, possesses specific tack force characteristics. These features are carefully defined as having a tack force between 6 gf and 13 gf when measured at a probe temperature of 100 degrees C.

The second patent explores the realm of sintered bodies, substrates, circuit boards, and their manufacturing methods. Takahashi's invention involves a sintered body comprising a crystal grain containing silicon nitride, along with a grain boundary phase. Notably, this invention focuses on controlling dielectric losses in the sintered body across a wide frequency range. By meeting specific conditions outlined in the patent, the average dielectric losses within certain frequency bands can be maintained at an acceptable level.

Career Highlights:

Satoshi Takahashi's notable career includes stints at prominent companies such as Ricoh Company, Ltd. and Hitachi Co., Ltd. During his tenure at these organizations, he made immense contributions to their technological advancements. Through his inventive prowess and dedication, he has played a crucial role in pushing the boundaries of ink and image forming technologies.

Collaborations:

Collaboration often leads to groundbreaking innovations, and Satoshi Takahashi has had the opportunity to work with accomplished individuals in his field. Noteworthy colleagues include Hideki Kambara and Kiyotada Katoh. These collaborative efforts have likely facilitated knowledge exchange, fostering a rich environment for innovation and pioneering research.

Conclusion:

Satoshi Takahashi's extensive patent portfolio, with 123 patents to his name, exhibits his impressive expertise and contributions to ink and image forming technology. His recent patents involving ink formulation and sintered bodies demonstrate his ingenuity and commitment to advancing these fields. With a remarkable career traversing renowned companies like Ricoh Company, Ltd. and Hitachi Co., Ltd., Takahashi has undoubtedly left a lasting impact on the realm of innovations and patents. His collaborations with esteemed colleagues further emphasize his dedication to collaborative and progressive research.

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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