Company Filing History:

4 out of 42,485

Hitachi, Ltd.

patents

Years Active: 1986-1989

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4840146 - Multiple throttle mechanism for internal combustion engines (1989-06-20),

2. 4782805 - Control device for throttle valve for internal combustion engine (1988-11-08),

3. 4723443 - Intake air flow sensor (1988-02-09),

4. 4615173 - Exhaust emission control apparatus for diesel engine (1986-10-07),

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Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.

For the Inventor, By the Inventor

Shozo Yanagisawa

Location History:

Company Filing History:

Years Active: 1986-1989