Company Filing History:

4 out of 39,228

Fujitsu Corporation

patents

Years Active: 1980-1991

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5076675 - Polarizing separating device and optical isolator employing the same (1991-12-31),

2. 5048912 - Optical fiber switching with spherical lens and method of making same (1991-09-17),

3. 4824200 - Optical branching filter (1989-04-25),

4. 4189206 - Optical switching device (1980-02-19),

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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

Kiyoshi Terai

Location History:

Company Filing History:

Years Active: 1980-1991