Company Filing History:

4 out of 188

Otsuka Pharmaceutical Factory, Inc.

patents

Years Active: 1999-2007

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7259155 - Phosphonic diester derivatives (2007-08-21),

2. 6468992 - Phosphonic acid diester derivatives (2002-10-22),

3. 5985858 - Phosphonic diester derivatives (1999-11-16),

4. 5922866 - Process for preparing quinazolin-4-one derivatives (1999-07-13),

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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

Yasuhiro Sakai

Location History:

Company Filing History:

Years Active: 1999-2007