Tokyo, Japan

Sengo Ishizuka

This inventor holds 2 USPTO granted patents. Top assignee: Toyo Ink Manufacturing Company. Active years: 1976-1978.


% Patents Active = 100.0

Average Co-Inventor Count = 3.4

ph-index = 2

Forward Citations = 27(Granted Patents)


Company Filing History:


Years Active: 1976-1978

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2 patents (USPTO):Explore Patents
Profile summary based on public USPTO records.
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