Keiichi Egawa

This inventor holds 6 USPTO granted patents. Top assignees: Toray Industries, Inc., Nippon Telegraph and Telephone Corporation. Active years: 1982-1994.

USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 3.5

ph-index = 3

Forward Citations = 32(Granted Patents)

Company Filing History:

6 out of 3,572

Toray Industries, Inc.

patents

2 out of 5,300

Nippon Telegraph and Telephone Corporation

patents

where one patent can have more than one assignee

Years Active: 1982-1994

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6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5368782 - Method of operating third-order nonlinear optical element (1994-11-29),

2. 5290485 - Third-order nonlinear optical element (1994-03-01),

3. 5220451 - Second-order nonlinear optical device (1993-06-15),

4. 5169986 - Organic nonlinear optical material (1992-12-08),

5. 4987255 - Organic nonlinear optical material (1991-01-22),

6. 4323639 - Photosensitive polyamide resin composition (1982-04-06),

Profile summary based on public USPTO records.

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