Tokyo, Japan

Hiroya Ohkuma

This inventor holds 3 USPTO granted patents and 2 published patent applications. Top assignee: Nikon Corporation. Active years: 1991-1993.

USPTO Granted Patents = 3 

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 3

Forward Citations = 22(Granted Patents)


Company Filing History:


Years Active: 1991-1993

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3 patents (USPTO):Explore Patents
Profile summary based on public USPTO records.
Please report any incorrect information to [email protected]
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