Inventor
Kazuhiro Yanagisawa
Inventor
Tokyo, JP
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Kprimary
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients33%
B60CVehicle tyres23%
C08LCompositions of macromolecular compounds12%
C08CTreatment or chemical modification of rubbers7%
C08JWorking-up7%
Y02TClimate change mitigation technologies related to transportation7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
Y10TTechnical subjects covered by former us classification5%
PatentTitleYear
RE043452'Rubber composition and pneumatic tire using said rubber composition'20127,960,466'Natural rubber masterbatch and method of producing the same'20117,932,307'Rubber composition'20116,841,606'Natural rubber master batch, production method thereof, and natural rubber composition'20056,727,307'Rubber composition'20046,355,710'Rubber composition'20026,242,516'Rubber composition and pneumatic tire using said rubber composition'20016,177,503'Rubber composition and pneumatic tire using the same rubber composition'20016,172,157'Rubber compositions'20016,147,166'Rubber composition using a silane coupling agent having a specific distribution of sulfur'20006,147,143'Rubber composition and pneumatic tire using said rubber composition'20006,096,833'Rubber composition and pneumatic tire using said rubber composition'20006,022,923'Pneumatic tires'20005,948,842'Rubber composition and pneumatic tire using the rubber composition'19995,939,484'Rubber composition and pneumatic tire using said rubber composition'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999–2012Patents assigned to BRIDGESTONE CORP (15)· patent assignee history
1999–2012Based in Tokyo, JP· patent location history
2000–2004Based in Kodaira, JP· patent location history
2002Patents assigned to KAO CORP (1)· patent assignee history
2004Patents assigned to JSR CORP (1)· patent assignee history
2012Patents assigned to ARAKI SHUNJI (1)· patent assignee history
2012Patents assigned to YANAGISAWA KAZUHIRO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BRIDGESTONE CORP | 15 | 1999–2012 |
| ARAKI SHUNJI | 1 | 2012 |
| JSR CORP | 1 | 2004 |
| KAO CORP | 1 | 2002 |
| YANAGISAWA KAZUHIROself | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 12 | 1999–2012 |
| Kodaira, JP | 3 | 2000–2004 |