Company Filing History:

4 out of 5,289

Nippon Telegraph and Telephone Corporation

patents

3 out of 10,239

Sumitomo Electric Industries, Limited

Nippon Telegraph and Telephone Public Corporation

patents

where one patent can have more than one assignee

Years Active: 1989-1998

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5 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5781678 - Optical fiber path joint member and method of blowing optical fiber (1998-07-14),

2. 5694510 - Tub-aggregated optical cable (1997-12-02),

3. 5661836 - Optical cable and manufacturing method thereof (1997-08-26),

4. 4948412 - Method of fusion splicing single-mode optical fibers using an arc (1990-08-14),

5. 4878933 - Apparatus for fusion splicing optical fibers (1989-11-07),

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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

Osamu Kawata

Location History:

Company Filing History:

Years Active: 1989-1998