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For the Inventor, By the Inventor

Tokyo, Japan

Yoshiharu Takahashi

This inventor holds 55 USPTO granted patents and 2 EPO patents, primarily in Image Forming Technology. Top assignees: Mitsubishi Denki Kabushiki Kaisha, Ricoh Company, Ltd., Ebara Corporation. Active years: 1991-2026.

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

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

Calculating rank
USPTO Granted Patents = 55

% Patents Active = 74.5

 

Average Co-Inventor Count = 2.5

ph-index = 11

Forward Citations = 796(Granted Patents)

Forward Citations (Not Self Cited) = 787(Dec 10, 2025)


Location History:

  • Hyogo, JP (1991 - 1993)
  • Itami, JP (1993 - 1998)
  • Kikuchi-gun, JP (1999 - 2001)
  • Toyonaka, JP (2011)
  • Osaka, JP (1995 - 2017)
  • Tokyo, JP (1994 - 2021)
  • Kanagawa, JP (2021)

Company Filing History:

goldMedal29 out of 21,351 
 
Mitsubishi Denki Kabushiki Kaisha
 patents
silverMedal24 out of 28,957 
 
Ricoh Company, Ltd.
 patents
bronzeMedal1 out of 2,581 
 
Ebara Corporation
 patents
4. 1 out of 25,982 
 
Sharp Kabushiki Kaisha Corporation
 patents

Years Active: 1991-2026

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Areas of Expertise:
Image Forming Apparatus
Fixing Device
Heating Device
Pressing Device
Toner Image
Mechanical Shock Minimization
Cleaning Toner Image
Media Guide Mechanism
Electronic Component
Lead Frame
Wire Bonding
Semiconductor Device
55 patents (USPTO):Explore Patents
1. 12738135 - Tracking system (2026-09-15),
2. 11054775 - Fixing device and image forming apparatus incorporating same (2021-07-06),
3. 11054774 - Nip forming member, fixing device, and image forming apparatus (2021-07-06),
4. 11054767 - Nip formation member, heating device, fixing device and image forming apparatus (2021-07-06),
5. 11016422 - Attachment, fixing device, and image forming apparatus (2021-05-25),
6. 10558154 - Image forming apparatus incorporating pressing device (2020-02-11),
7. 9817347 - Fixing device, fixing method, and image forming apparatus (2017-11-14),
8. 9740147 - Separator, fixing device, and image forming apparatus (2017-08-22),
9. 9690242 - Fixing device and image forming apparatus incorporating same (2017-06-27),
10. 9599938 - Image forming apparatus and image forming method for controlling a primary heating and a secondary heating of a fixing device (2017-03-21),
11. 9395660 - Image forming apparatus and image forming method including forming a cleaning toner image (2016-07-19),
12. 9342044 - Fixing device and image forming apparatus and method of assembling the fixing device (2016-05-17),
13. 9274465 - Image forming apparatus with a heater controller and image forming method to control heating (2016-03-01),
14. 9116476 - Fixing device and image forming apparatus (2015-08-25),
15. 9104150 - Fixing unit, image forming apparatus incorporating the fixing unit, and image forming method (2015-08-11),

Title: Yoshiharu Takahashi: Pioneering Inventor from Tokyo

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

Latest Patents: Takahashi holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous dedication to pushing the boundaries of scientific advancement.

Career Highlights: With a career spanning over two decades, Takahashi has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant technological breakthroughs.

Collaborations: Throughout his career, Takahashi has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge sharing.

Conclusion: Yoshiharu Takahashi's relentless pursuit of innovation and his passion for creating cutting-edge technologies have solidified his reputation as a visionary inventor in the global tech community.

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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