Tokyo, Japan

Koichi Takahashi

This inventor holds 158 USPTO granted patents and 15 published patent applications and 6 EPO patents, primarily in Facial Authentication (CPC class 359630). Top assignees: Fuji Photo Film Company, Limited, Olympus Optical Company, Ltd., Olympus Corporation. Active years: 1989-2026.

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

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

USPTO Granted Patents = 158 

% Patents Active = 81.0

 

Average Co-Inventor Count = 1.8

ph-index = 31

Forward Citations = 2,810(Granted Patents)

Forward Citations (Not Self Cited) = 2,717(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Minami-ashigara-shi, JP (1992)
  • Minami-ashigara, JP (1990 - 1997)
  • Hachoji, JP (1997)
  • Kawasaki, JP (1991 - 1999)
  • Musashimurayama, JP (2000 - 2001)
  • Tachikawa, JP (2003 - 2008)
  • Kitakyushu, JP (2008)
  • Shibuya-ku, JP (2012 - 2015)
  • Hachioji, JP (1996 - 2018)
  • Kanagawa, JP (1989 - 2021)
  • Yokohama, JP (1995 - 2021)
  • Edogawa, JP (2021)
  • Sagamihara, JP (2004 - 2023)
  • Tokyo, JP (2002 - 2024)

Company Filing History:

goldMedal41 out of 16,458 
 
Fuji Photo Film Company, Limited
 patents
silverMedal31 out of 5,729 
 
Olympus Optical Company, Ltd.
 patents
bronzeMedal17 out of 8,306 
 
Olympus Corporation
 patents
4. 13 out of 53,262 
 
Kabushiki Kaisha Toshiba
 patents
5. 13 out of 36,684 
 
Nec Corporation
 patents
6. 11 out of 166,351 
 
International Business Machines Corporation
 patents
7. 6 out of 349 
 
Kabushiki Kaisha Shinkawa
 patents
8. 4 out of 248 
 
Airbnb, Inc.
 patents
9. 3 out of 727 
 
Olympus Imaging Corporation
 patents
10. 2 out of 560 
 
Calsonic Kansei Corporation
 patents
11. 2 out of 16,949 
 
Fujifilm Corporation
 patents
12. 2 out of 1,962 
 
Jfe Steel Corporation
 patents
13. 2 out of 136 
 
Shinkawa Ltd.
 patents
14. 1 out of 2,576 
 
Ebara Corporation
 patents
15. 1 out of 11,665 
 
Fuji Xerox Co., Ltd.
 patents
16. 1 out of 1,196 
 
Ihi Corporation
 patents
17. 1 out of 67 
 
Lumentum Japan, Inc.
 patents
18. 1 out of 16,602 
 
Mitsubishi Electric Corporation
 patents
19. 1 out of 304 
 
Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
 patents
20. 1 out of 221 
 
Mitsubishi Power, Ltd.
 patents
21. 1 out of 13 
 
Olympus Optical
 patents
22. 1 out of 192 
 
Uacj Corporation
 patents
23. 2 out of 834,513 
Other
 patents

Years Active: 1989-2026

Loading Chart...
Loading Chart...
Areas of Expertise:
Facial Authentication
Information Processing
Optical Systems
Detection Device
Steelmaking
Centrifugal Compressor
Turbocharger
Image Display
Social Media Posting
3D Time Series Data
Bonding Apparatus
Prism Optical System
158 patents (USPTO):Explore Patents

Title: Koichi Takahashi: Innovating with Precision and Expertise in Tokyo

Introduction:

Koichi Takahashi is a renowned innovator and inventor based in Tokyo, Japan. With an impressive track record of 138 patents, Takahashi has made significant contributions to various fields. His cutting-edge ideas and technical expertise have revolutionized industries such as social media and centrifugal compression. In this article, we delve into the latest patents attributed to Takahashi, highlight key moments in his career, and explore his notable collaborations.

Latest Patents:

Among Takahashi's recent patents, one stands out for its impact on social media practices. His patent titled "Posting Content to Social Medium" introduces a computer-implemented method for posting content that stores and delays publication until a specific trigger is met. This innovation provides users with enhanced control over when their content is shared, ensuring greater precision and a more strategic approach to social media engagement.

Another notable patent by Takahashi, "Rotor and Centrifugal Compressor Including the Same," showcases his expertise in the field of centrifugal compression. This invention introduces improvements to rotor design by optimizing blade angles to enhance overall efficiency and performance. By increasing the angle of the suction or pressure surface in specific regions along the blade, Takahashi has revolutionized the functionality of centrifugal compressors.

Career Highlights:

Koichi Takahashi has gained valuable industry experience through his tenure at esteemed companies such as Fuji Photo Film Company, Limited, and Olympus Optical Company, Ltd. During his time at these organizations, Takahashi was exposed to cutting-edge technologies and had the opportunity to work on groundbreaking projects.

Collaborations:

Throughout his career, Takahashi has collaborated with several notable individuals, including Takashi Takahashi and Naoto Miyashita. Together, they have pooled their expertise and shared insights to drive innovation forward. By leveraging their combined knowledge and experience, these collaborations have resulted in groundbreaking advancements in various fields.

Conclusion:

Koichi Takahashi's extensive list of patents and remarkable career highlights showcase his undeniable talent for innovation and invention. His contributions to social media posting and centrifugal compression have not only improved existing technologies but have also charted a new course for the future of these industries. Collaborating with industry experts has further enhanced Takahashi's ability to explore new avenues and push the boundaries of technological advancement. Tokyo-based innovator Koichi Takahashi continues to inspire and motivate fellow inventors with his precision, expertise, and unwavering commitment to driving progress and change in the world of technology.

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]
Loading…