Company Filing History:

6 out of 2,245

Mitsubishi Gas Chemical Company, Inc.

patents

2 out of 62

Arakawa Chemical Industries, Ltd.

patents

where one patent can have more than one assignee

Years Active: 1990-2002

Loading Chart...

6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6384185 - Process for purifying polycarbonate resin solution (2002-05-07),

2. 5244605 - Process for producing halogenated polycarbonate molded article (1993-09-14),

3. 5182363 - Process for producing powder aggregate particle of high molecular weight (1993-01-26),

4. 5021541 - Polycarbonate resin from bis(hydroxy benzoyl oxy-tetra oxa spiro) cpd. (1991-06-04),

5. 4950771 - Dihydroxy compound (1990-08-21),

6. 4924025 - Novel dihydroxy compound (1990-05-08),

I specialize in innovations, inventions, inventors, patent attorneys, assignees and patents.

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

Toshiaki Asoh

Location History:

Company Filing History:

Years Active: 1990-2002