Inventor
Kinya Kawakami
Inventor
Kanagawa, JP
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B60Cprimary
B60CVehicle tyres24%
C08LCompositions of macromolecular compounds21%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients17%
C08CTreatment or chemical modification of rubbers10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
B08BCleaning in general7%
H05KPrinted circuits7%
Y02TClimate change mitigation technologies related to transportation3%
PatentTitleYear
5,851,321'Pneumatic tire including cap tread portion'19985,684,073'Pneumatic tire having improved abrasion resistance'19975,387,631'Tread rubber compositions and method of making same'19955,326,810'Rubber compositions for tire treads of driving stability'19945,206,283'Rubber composition for automobile tires'19935,179,154'Rubber compositions for tire tread'19934,822,844'Rubber compositions'19894,800,611'Plate cleaning apparatus and cleaning roller therefor'19894,799,284'Plate cleaning apparatus and cleaning roller therefor'19894,567,225'Rubber composition for tire treads'19864,510,291'Rubber compositions for tire treads'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–1998Patents assigned to YOKOHAMA RUBBER CO LTD (9)· patent assignee history
1985–1986Based in Ninomiya, JP· patent location history
1989Patents assigned to HAKUTO KK (2)· patent assignee history
1989Patents assigned to TOYO NETSUKOGYO KAISHA LTD (2)· patent assignee history
1989–1995Based in Kanagawa, JP· patent location history
1989Based in Mitaka, JP· patent location history
1997–1998Based in Hiratsuka, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| YOKOHAMA RUBBER CO LTD | 9 | 1985–1998 |
| HAKUTO KK | 2 | 1989 |
| TOYO NETSUKOGYO KAISHA LTD | 2 | 1989 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 5 | 1989–1995 |
| Hiratsuka, JP | 2 | 1997–1998 |
| Mitaka, JP | 2 | 1989 |
| Ninomiya, JP | 2 | 1985–1986 |