Company Filing History:

5 out of 1,858

Takeda Chemical Industries, Inc.

patents

1 out of 28

Lederle (japan), Ltd.

patents

where one patent can have more than one assignee

Years Active: 1979-1989

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5 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4801703 - Method for production of cephalosporin compounds (1989-01-31),

2. 4692519 - Crystals of sodium cephemcarboxylate (1987-09-08),

3. 4642365 - Method for production of 1,3,2-dioxaphospholes (1987-02-10),

4. 4446318 - Method for producing 7-aminocephem compounds (1984-05-01),

5. 4146710 - Solid cephalosporin salt (1979-03-27),

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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

Kazuo Tsukamura

Location History:

Company Filing History:

Years Active: 1979-1989