Company Filing History:

3 out of 42,485

Hitachi, Ltd.

patents

Years Active: 1990-2008

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3 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7424200 - Information recording apparatus and information recording method (2008-09-09),

2. 7196995 - Method of authenticating disk management information and disk device (2007-03-27),

3. 4980617 - Speed control apparatus of movable equipment (1990-12-25),

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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

Jun Ohya

Location History:

Company Filing History:

Years Active: 1990-2008