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Inventor

Teruhisa Koyama

Inventor
Niihama, JP

Overview

10→
Patents
1978–1994
Patent span
Chemistry
Primary field (CPC C)

Patents· 10 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C08Lprimary
C08LCompositions of macromolecular compounds53%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds24%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients18%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
PatentTitleYear
5,324,781'Methacrylate resin composition'19945,248,725'Thermoplastic resin composition'19935,236,911'Methacrylic resin composition'19935,157,062'Thermoplastic resin composition'19925,081,186'Thermoplastic olefin resin composition'19924,965,321'Thermoplastic copolymer'19904,686,257'Polypropylene resin composition containing filler'19874,604,421'Polypropylene resin composition comprising talc having specified average diameter and particle size'19864,228,266'Process for producing copolymerized resins'19804,129,557'Process for producing copolymerized resins'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1994Patents assigned to SUMITOMO CHEMICAL CO (10)· patent assignee history
1978–1993Based in Niihama, JP· patent location history
1986–1994Based in Chiba, JP· patent location history
1987Based in Ehime, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUMITOMO CHEMICAL CO101978–1994
Locations
LocationPatentsSpan
Niihama, JP71978–1993
Chiba, JP21986–1994
Ehime, JP11987