Company Filing History:

3 out of 42,508

Hitachi, Ltd.

patents

1 out of 11

Hitachi Automotive Engineering, Ltd.

patents

where one patent can have more than one assignee

Years Active: 1982-1994

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3 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5343836 - Drive mechanism of engine ignition system (1994-09-06),

2. 4562813 - Knock control system (1986-01-07),

3. 4325338 - Pressure-responsive ignition timing controller for a supercharged (1982-04-20),

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For the Inventor, By the Inventor

Hiroshi Fujiwara

Company Filing History:

Years Active: 1982-1994