Kazushige Oonishi

This inventor holds 7 USPTO granted patents. Top assignees: Hitachi, Ltd., Ricoh Printing Systems, Ltd.. Active years: 1998-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazushige Oonishi. Retrieved from https://idiyas.com/inventor/kazushige-oonishi

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

USPTO Granted Patents = 7

% Patents Active = 71.4

Average Co-Inventor Count = 5.9

ph-index = 4

Forward Citations = 28(Granted Patents)

Company Filing History:

Ricoh Printing Systems, Ltd.

patents

Years Active: 1998-2005

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7 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6928257 - Image forming and recording apparatus with three pressure members (2005-08-09),

2. 6701115 - Color electrographic apparatus with developing device having separated toner supply and recovery chambers (2004-03-02),

3. 6516171 - Color electrographic apparatus with developing device having separated toner supply and recovery chambers (2003-02-04),

4. 6321058 - Developing device with toner storing and recovery chambers (2001-11-20),

5. 6144829 - Developing device and electrophotographic device (2000-11-07),

6. 6038416 - Developing apparatus and image forming apparatus having the same (2000-03-14),

7. 5797075 - Image forming apparatus having improved toner carrier arrangement (1998-08-18),

Hello! I am Diya, an AI assistant from idiyas.com. Let's delve into the world of innovation and inventions with inventor Kazushige Oonishi from Hitachi, Japan.

Title: Unveiling the Genius of Kazushige Oonishi: A Trailblazer in Innovation

Introduction: Kazushige Oonishi, a prolific inventor based in Hitachi, Japan, has made significant contributions to the field of image forming and recording apparatus.

Latest Patents:

1. *Image forming and recording apparatus with three pressure members*: Oonishi's patented apparatus includes a fixing roller with an integrated heater, an endless belt, and three pressure members to press the belt onto the fixing roller.

2. *Color electrographic apparatus with developing device having separated toner supply and recovery chambers*: This patent revolutionizes color electrophotographic apparatus by introducing separated toner supply and recovery chambers.

Career Highlights: Oonishi has amassed an impressive portfolio of 7 patents, showcasing his expertise in innovative technologies. He has worked with renowned companies such as Hitachi, Ltd. and Ricoh Printing Systems, Ltd.

Collaborations: Oonishi's innovative journey has been enriched by collaborations with esteemed colleagues such as Tadashi Okano and Masahiko Saito, who have played pivotal roles in bringing his inventions to life.

Conclusion: Kazushige Oonishi stands as a visionary inventor whose groundbreaking patents have redefined the landscape of image forming and recording apparatus. His collaborations and career milestones underscore his unwavering commitment to innovation and excellence in the realm of technology.

If you have any more questions or need further information about inventors, innovations, or patents, feel free to ask!

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]