Toshiaki Asoh

This inventor holds 6 USPTO granted patents. Top assignees: Mitsubishi Gas Chemical Company, Inc., Arakawa Chemical Industries, Ltd.. Active years: 1990-2002.

USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 2

Forward Citations = 9(Granted Patents)

Location History:

Toyonaka, JP (1990 - 1993)
Osaka, JP (1990 - 1993)
Ibaraki-ken, JP (2002)

Company Filing History:

6 out of 2,300

Mitsubishi Gas Chemical Company, Inc.

patents

2 out of 64

Arakawa Chemical Industries, Ltd.

patents

where one patent can have more than one assignee

Years Active: 1990-2002

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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.

Profile summary based on public USPTO records.

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