Kiyoshi Ohshima

This inventor holds 15 USPTO granted patents, primarily in Image Formation Technology. Top assignees: Ricoh Company, Ltd., Other. Active years: 1981-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kiyoshi Ohshima. Retrieved from https://idiyas.com/inventor/kiyoshi-ohshima

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

Calculating rank

USPTO Granted Patents = 15

% Patents Active = 86.7

Average Co-Inventor Count = 5.9

ph-index = 6

Forward Citations = 164(Granted Patents)

Location History:

Kawasaki, JP (1981 - 1983)
Yokohama, JP (1987 - 1994)
Kanagawa, JP (2001 - 2002)
Kanagawa-ken, JP (2004 - 2013)

Company Filing History:

14 out of 28,957

Ricoh Company, Ltd.

patents

1 out of 834,601

Other

patents

Years Active: 1981-2013

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Areas of Expertise:

Sheet Wrapping

Image Forming

Electrophotographic

Recording Medium

Cleaning Device

Color Correction

Developing Apparatus

Drive Means

Positioning Method

Liquid Developer

Copying Machine

Recording Head

15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8515323 - Sheet wrapping avoidable fixing apparatus and image forming apparatus (2013-08-20),

2. 7693471 - Sheet wrapping avoidable fixing apparatus and image forming apparatus (2010-04-06),

3. 7346305 - Sheet wrapping avoidable fixing apparatus and image forming apparatus (2008-03-18),

4. 7224928 - Sheet wrapping avoidable fixing apparatus and image forming apparatus (2007-05-29),

5. 6795676 - Sheet wrapping avoidable fixing apparatus and image forming apparatus (2004-09-21),

6. 6398345 - Image forming method and an apparatus for the same, and a cleaning device (2002-06-04),

7. 6295435 - Image forming apparatus which corrects deviations between images of different colors (2001-09-25),

8. 5315323 - Color image forming apparatus with means for biasing a recording head (1994-05-24),

9. 5264273 - Structure of a recording medium for an electrostatic recorder (1993-11-23),

10. 5245396 - Color image forming apparatus for use with a recording medium having a (1993-09-14),

11. 5202534 - Developing apparatus using a liquid developer and having a system for (1993-04-13),

12. 5172180 - Image forming equipment with variable stepwise drive means operation (1992-12-15),

13. 4707126 - Method of positioning original image to be copied and apparatus for (1987-11-17),

14. 4373800 - Wet type electrophotographic copying machine (1983-02-15),

15. 4247194 - Control system for electrophotographic copying machine (1981-01-27),

Title: The Innovative Legacy of Kiyoshi Ohshima: Pioneering Inventor from Yokohama

Introduction: Kiyoshi Ohshima, a visionary inventor hailing from Yokohama, Japan, has left an indelible mark on the world of technology with his groundbreaking innovations. With an impressive portfolio of 15 patents and a relentless pursuit of excellence, Ohshima is a true pioneer shaping the future of technological advancements.

Latest Patents: Ohshima's latest patents include the "Sheet wrapping avoidable fixing apparatus and image forming apparatus." This cutting-edge technology revolutionizes the process of fixing toner images on recording members with heat and pressure, showcasing Ohshima's ingenuity and commitment to precision engineering.

Career Highlights: Throughout his illustrious career, Ohshima has made significant contributions to the field of technology. He has worked with renowned companies such as Ricoh Company, Ltd., where he honed his skills and developed groundbreaking solutions that have redefined industry standards.

Collaborations: Ohshima's innovative spirit extends to his collaborations with esteemed colleagues, including Hisashi Kikuchi and Shigeo Kurotaka. Together, they have pushed the boundaries of technology and created solutions that have set new benchmarks in the industry.

Conclusion: In conclusion, Kiyoshi Ohshima's relentless pursuit of innovation and his remarkable contributions to the world of technology solidify his legacy as a visionary inventor shaping the future of technological advancements. His groundbreaking patents and collaborations with industry experts highlight his exceptional talent and unwavering dedication to excellence, making him a true trailblazer in the world of invention.

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]