Company Filing History:

2 out of 73

Zaidan Hojin Handotai Kenkyu Shinkokai

patents

1 out of 1

Budda Hajia Handotai Kenkyu Shinkokai

patent

Years Active: 1982-1984

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3 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4436770 - Oxynitride film and its manufacturing method (1984-03-13),

2. 4416952 - Oxynitride film and its manufacturing method (1983-11-22),

3. 4331737 - Oxynitride film and its manufacturing method (1982-05-25),

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For the Inventor, By the Inventor

Ikuo Shiota

Company Filing History:

Years Active: 1982-1984