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For the Inventor, By the Inventor

Kanagawa, Japan

Toshiharu Hachisuka

This inventor holds 16 USPTO granted patents and 3 published patent applications and 1 EPO patent. Top assignee: Ricoh Company, Ltd.. Active years: 2002-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshiharu Hachisuka. Retrieved from https://idiyas.com/inventor/toshiharu-hachisuka

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

USPTO Granted Patents = 16 

% Patents Active = 31.3


Average Co-Inventor Count = 2.5

ph-index = 7

Forward Citations = 278(Granted Patents)


Location History:

  • Kanagawa-ken, JP (2003 - 2005)
  • Kawasaki, JP (2006 - 2007)
  • Tokyo, JP (2010)
  • Yokohama, JP (2011 - 2013)
  • Kanagawa, JP (2002 - 2021)

Company Filing History:

goldMedal16 out of 28,951 
 
Ricoh Company, Ltd.
 patents

Years Active: 2002-2021

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16 patents (USPTO):Explore Patents
1. 10955777 - Fixing device including at least one temperature detector and a device-side connector and image forming apparatus including same (2021-03-23),
2. 10788775 - Fixing device and image forming apparatus including same (2020-09-29),
3. 9727011 - Image forming apparatus and image forming method (2017-08-08),
4. 9448514 - Image forming apparatus and image forming method (2016-09-20),
5. 8666270 - Image forming apparatus (2014-03-04),
6. 8346112 - Cooling member included fixing device and image forming apparatus (2013-01-01),
7. 8195057 - Image forming apparatus and fixing device used therein (2012-06-05),
8. 8073352 - Image forming apparatus, and method of controlling warming-up time of image forming apparatus (2011-12-06),
9. 7912392 - Image forming apparatus with glossy image printing mode (2011-03-22),
10. 7869729 - Fixing device capable of providing stable quality of fixed image (2011-01-11),
11. 7672630 - Image forming apparatus and image forming method with improved cleaning mechanism (2010-03-02),
12. 7313353 - Fixing unit with heat-resisting resin base member and image forming toner for use in the fixing unit (2007-12-25),
13. 7127204 - Belt fixing unit with heat-resisting resin base member and image forming toner for use in the fixing unit (2006-10-24),
14. 6865363 - Method and apparatus for image forming capable of effectively performing an image fixing process (2005-03-08),
15. 6577840 - Method and apparatus for image forming capable of effectively performing an image fixing process (2003-06-10),

Title: Innovations of Toshiharu Hachisuka

Introduction

Toshiharu Hachisuka is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of image forming technology, holding a total of 16 patents. His work primarily focuses on developing advanced fixing devices that enhance the performance of image forming apparatuses.

Latest Patents

Hachisuka's latest patents include innovative designs for fixing devices that incorporate temperature detection technology. One of his notable inventions is a fixing device that includes at least one temperature detector and a device-side connector. This device is designed to detect the temperature of the fixing device and transmit temperature detection signals to the image forming apparatus body. Another significant patent involves a fixing device that features a fixing member, multiple lead wires, and a device-side drawer connector, which connects the temperature detector to the image forming apparatus body.

Career Highlights

Toshiharu Hachisuka is currently employed at Ricoh Company, Ltd., where he continues to push the boundaries of technology in the imaging sector. His work has been instrumental in improving the efficiency and reliability of image forming devices, making them more user-friendly and effective.

Collaborations

Hachisuka has collaborated with notable colleagues such as Hiroshi Yoshinaga and Masahiko Satoh. Their combined expertise has contributed to the successful development of innovative technologies within the company.

Conclusion

Toshiharu Hachisuka's contributions to the field of image forming technology are noteworthy. His patents reflect a commitment to innovation and excellence, making a lasting impact on the industry.

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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