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Ryuji Hosaka

This inventor holds 8 USPTO granted patents. Top assignee: Fuji Xerox Co., Ltd.. Active years: 1993-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryuji Hosaka. Retrieved from https://idiyas.com/inventor/ryuji-hosaka

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

USPTO Granted Patents = 8

% Patents Active = 100.0

Average Co-Inventor Count = 5.6

ph-index = 6

Forward Citations = 72(Granted Patents)

Company Filing History:

8 out of 11,665

Fuji Xerox Co., Ltd.

Years Active: 1993-1999

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8 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5870207 - Facsimile system (1999-02-09),

2. 5432616 - Data communication apparatus for notification of the receipt of a call (1995-07-11),

3. 5426647 - Data communication apparatus detecting interrupt requests through data (1995-06-20),

4. 5392132 - Facsimile machine (1995-02-21),

5. 5369688 - Data communication apparatus with interrupt completion detecting (1994-11-29),

6. 5309507 - Data communication apparatus for maintaining data integrity during an (1994-05-03),

7. 5291305 - Facsimile network system capable of carrying out broadcast communication (1994-03-01),

8. 5223950 - Data communication apparatus (1993-06-29),

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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