Company Filing History:

3 out of 21

Eisai Chemical Co., Ltd.

patents

Years Active: 1995-1997

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3 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5686635 - Tetrahydro-alkenyl-methanonaphthalene-5,8-dione derivatives (1997-11-11),

2. 5677471 - Process for the preparation of quinone derivative (1997-10-14),

3. 5476955 - Process for the preparation of a quinone derivative (1995-12-19),

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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

Tetsuo Iwama

Location History:

Company Filing History:

Years Active: 1995-1997