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Moriyama, Japan

Tsuneo Ishikawa

This inventor holds 4 USPTO granted patents. Top assignee: Ishihara Sangyo Kaisha, Ltd.. Active years: 1983-1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsuneo Ishikawa. Retrieved from https://idiyas.com/inventor/tsuneo-ishikawa

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

USPTO Granted Patents = 4

% Patents Active = 100.0

Average Co-Inventor Count = 5.5

ph-index = 3

Forward Citations = 17(Granted Patents)

Location History:

Moriyama, JP (1983 - 1985)
Kawanishi, JP (1984 - 1985)

Company Filing History:

Ishihara Sangyo Kaisha, Ltd.

Years Active: 1983-1985

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4560544 - Process for the preparation of acicular .alpha.-FeOOH for magnetic (1985-12-24),

2. 4501774 - Process for the production of cobalt-containing magnetic iron oxide (1985-02-26),

3. 4486467 - Process for producing cobalt-containing magnetic iron oxide powder (1984-12-04),

4. 4414245 - Process for producing cobalt containing ferromagnetic iron oxides (1983-11-08),

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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