Kanagawa, Japan

Yoshiyuki Tanaka

This inventor holds 200 USPTO granted patents and 5 published patent applications, plus 2 CIPO patents and 8 EPO patents, primarily in Image Forming Technology (CPC class B41J2-1752). Top assignees: Kabushiki Kaisha Toshiba, Seiko Epson Corporation, Yazaki Corporation. Active years: 1981-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshiyuki Tanaka. Retrieved from https://idiyas.com/inventor/yoshiyuki-tanaka

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

USPTO Granted Patents = 200 

% Patents Active = 78.5


 

Average Co-Inventor Count = 2.8

ph-index = 26

Forward Citations = 3,187(Granted Patents)

Forward Citations (Not Self Cited) = 3,095(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Koganei, JP (1981)
  • Yokoze, JP (1994)
  • Saitama-ken, JP (1996)
  • Saitama, JP (1993 - 1997)
  • Shizouka, JP (2000)
  • Tanaka, JP (2001)
  • Kangawa, JP (2001)
  • Shizuoka-ken, JP (1998 - 2002)
  • Minato-ku, Tokyo JP (2003)
  • Haibara-gun, JP (1997 - 2005)
  • Shizuoka, JP (1998 - 2007)
  • Ehime, JP (2008)
  • Tokyo-to, JP (2008)
  • Kanagawa-ken, JP (2008)
  • Suwa, JP (2008)
  • Nagano-ken, JP (2009)
  • Miyagi, JP (2006 - 2010)
  • Ibaraki, JP (2005 - 2011)
  • Hino, JP (2011)
  • Shiojiri, JP (2011)
  • Kurashiki, JP (2012)
  • Chichibu-gun, JP (2012 - 2013)
  • Niihama, JP (2014)
  • Hitachinaka, JP (2016)
  • Sagamihara, JP (1985 - 2017)
  • Kanagawa, JP (2001 - 2020)
  • Nagano, JP (2012 - 2020)
  • Yokohama, JP (1996 - 2021)
  • Tokyo, JP (1993 - 2022)
  • Matsumoto, JP (2013 - 2023)

Company Filing History:

goldMedal62 out of 53,262 
 
Kabushiki Kaisha Toshiba
 patents
silverMedal54 out of 34,268 
 
Seiko Epson Corporation
 patents
bronzeMedal18 out of 8,381 
 
Yazaki Corporation
 patents
4. 15 out of 58,145 
 
Sony Corporation
 patents
5. 12 out of 2,423 
 
Mitsubishi Chemical Corporation
 patents
6. 11 out of 13,420 
 
Nissan Motor Company Limited
 patents
7. 10 out of 1,555 
 
Mitsubishi Materials Corporation
 patents
8. 7 out of 2,028 
 
Hitachi Automotive Systems, Ltd.
 patents
9. 4 out of 110 
 
National Institute of Agrobiological Sciences
 patents
10. 3 out of 898 
 
Sumitomo Metal Mining Company, Ltd.
 patents
11. 2 out of 2,208 
 
Fuji Jukogyo Kabushiki Kaisha
 patents
12. 2 out of 2,874 
 
Hitachi-High-Technologies Corporation
 patents
13. 2 out of 216 
 
Kumiai Chemical Industry Co., Ltd.
 patents
14. 2 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents
15. 2 out of 36,684 
 
Nec Corporation
 patents
16. 1 out of 895 
 
Advics Co., Ltd.
 patents
17. 1 out of 455 
 
Kyushu University
 patents
18. 1 out of 702 
 
Lapis Semiconductor Co., Ltd.
 patents
19. 1 out of 3,713 
 
Nippon Steel Corporation
 patents
20. 1 out of 19 
 
Research Laboratories of Australia Pty Ltd.
 patents
21. 1 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 1981-2026

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Areas of Expertise:
Image Forming Apparatus
Printer
Recording Device
Light Emitter
Liquid Container
Battery Control System
Droplet Ejecting Apparatus
Surface Light Emitting Laser
Vehicle Power Supply
Electrical Connector
Automatic Analyzer
Aldehyde Production
200 patents (USPTO):Explore Patents

Title: Yoshiyuki Tanaka: Innovator with 164 Patents

Introduction:

Yoshiyuki Tanaka, a talented inventor hailing from Kanagawa, Japan, has made significant contributions to the field of technological innovation. With an impressive portfolio comprising 164 patents, Tanaka has continually pushed the boundaries of what is possible in various industries. From image forming apparatus to recording devices, his inventions have proven to be both practical and innovative.

Latest Patents:

Among Tanaka's notable inventions is an image forming apparatus featuring an inner discharge space and a light emitting section at the border between the inner space and the housing. This unique design allows users to assess the device's functioning from a distance, as the light emitting section emits light along the border. By providing a clear indication of the image forming apparatus' state, Tanaka's invention enhances user experience and accessibility.

Another recent patent developed by Tanaka is a recording apparatus with a tilt panel that enables easy setting operation of the main body. The tilt panel, designed to pivot in a touch direction, incorporates a touch panel on its front surface and a power button on a part of its periphery. This configuration allows seamless interaction with the device, enhancing user convenience.

Career Highlights:

Throughout his illustrious career, Tanaka has worked with prominent companies in the industry, including Kabushiki Kaisha Toshiba and Seiko Epson Corporation. These collaborations have enabled him to leverage his expertise and contribute to groundbreaking technological advancements.

Collaborations:

Tanaka has had the privilege of working alongside some exceptional colleagues who have played a significant role in his professional journey. Notable among them are Tomoharu Tanaka and Seiichi Aritome. Their combined efforts and expertise have undoubtedly contributed to the successful realization of numerous patents and breakthrough innovations.

Conclusion:

Yoshiyuki Tanaka's remarkable accomplishments as an inventor continue to inspire and shape the future of technology. With an extensive patent portfolio of 164 inventions, his contributions have significantly impacted industries such as image forming apparatus and recording devices. Through collaborations with leading companies and the support of his talented coworkers, Tanaka's relentless pursuit of innovation has left an indelible mark on the field 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]
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