Company Filing History:

6 out of 405

Showa Denko Kabushiki Kaisha

patents

3 out of 3

Yamaguchi Seiken Kogyo Kabushiki Kaisha

patents

1 out of 1

Chiyoda Kaushiki Kaisha

where one patent can have more than one assignee

Years Active: 1988-1990

Loading Chart...

7 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4954141 - Polishing pad for semiconductor wafers (1990-09-04),

2. 4935039 - Abrasive composition and process for polishing plastic article (1990-06-19),

3. 4929257 - Abrasive composition and process for polishing (1990-05-29),

4. 4915710 - Abrasive composition and process for polishing (1990-04-10),

5. 4902649 - Hard tissue substitute composition (1990-02-20),

6. 4883502 - Abrasive composition and process for polishing (1989-11-28),

7. 4774068 - Method for production of mullite of high purity (1988-09-27),

This text is generated by artificial intelligence and may not be accurate.

Please report any incorrect information to support@idiyas.com

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

Kunihiro Miyazaki

Company Filing History:

Years Active: 1988-1990