Inventor
Mikio Hirai
Inventor
Niihama, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Lprimary
C08LCompositions of macromolecular compounds50%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds38%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients13%
PatentTitleYear
5,811,491'Glass fiber-reinforced thermoplastic resin composition'19984,880,874'Resin of polycarbonate and graft copolymer of unsaturated epoxy monomer and ethylene-.alpha.-olefin base rubber'19894,855,355'Molding resin composition'19894,762,886'Weather resistant thermoplastic resin composition'19884,757,111'Weather-resistant resin, and its production'19883,991,030'Process for reducing viscosity of reaction solution containing graft copolymer'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976Patents assigned to SUMITOMO CHEMICAL CO INC (1)· patent assignee history
1976Based in Ichihara, JP· patent location history
1988–1989Patents assigned to SUMITOMO NAUGATUCK (4)· patent assignee history
1988–1998Based in Niihama, JP· patent location history
1998Patents assigned to SUMITOMO DOW LTD (1)· patent assignee history
1998Patents assigned to TOYOTA MOTOR CO LTD (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SUMITOMO NAUGATUCK | 4 | 1988–1989 |
| SUMITOMO CHEMICAL CO INC | 1 | 1976 |
| SUMITOMO DOW LTD | 1 | 1998 |
| TOYOTA MOTOR CO LTD | 1 | 1998 |
Locations
| Location | Patents | Span |
|---|---|---|
| Niihama, JP | 5 | 1988–1998 |
| Ichihara, JP | 1 | 1976 |