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Yokohama, Japan

Ikuo Soma

This inventor holds 6 USPTO granted patents. Top assignee: Canon Kabushiki Kaisha. Active years: 1976-1982.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ikuo Soma. Retrieved from https://idiyas.com/inventor/ikuo-soma

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

USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 2.3

ph-index = 5

Forward Citations = 87(Granted Patents)

Location History:

Tokyo, JA (1976)
Yokohama, JP (1979 - 1982)

Company Filing History:

6 out of 92,901

Canon Kabushiki Kaisha

Years Active: 1976-1982

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6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4335953 - Variable magnification copying apparatus (1982-06-22),

2. 4299902 - Image forming process and apparatus therefor (1981-11-10),

3. 4161361 - Wet type electrophotographic apparatus (1979-07-17),

4. 4141646 - Electrophotography apparatus with downtime control circuitry (1979-02-27),

5. 3991709 - Regenerating device for developing liquid (1976-11-16),

6. 3950595 - Transferring paper for electrophotography (1976-04-13),

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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