Inventor
Kazutoshi Takemura
Inventor
Saitama, JP
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C22Cprimary
C22CAlloys57%
B22FWorking metallic powder29%
F02FCylinders, pistons or casings, for combustion engines14%
PatentTitleYear
5,158,601'Wear-resistant iron-based sintered alloy and method'19925,080,713'Hard alloy particle dispersion type wear resisting sintered ferro alloy and method of forming the same'19924,233,073'Iron-base sintered alloy for valve seat and method of making the same'19804,204,031'Iron-base sintered alloy for valve seat and its manufacture'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980–1992Patents assigned to RIKEN KK (3)· patent assignee history
1980Patents assigned to RIKEN PISTON RING IND CO LTD (1)· patent assignee history
1980Based in Kashiwazaki, JP· patent location history
1992Patents assigned to NISSAN MOTOR (2)· patent assignee history
1992Based in Saitama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RIKEN KK | 3 | 1980–1992 |
| NISSAN MOTOR | 2 | 1992 |
| RIKEN PISTON RING IND CO LTD | 1 | 1980 |
Locations
| Location | Patents | Span |
|---|---|---|
| Saitama, JP | 2 | 1992 |
| Kashiwazaki, JP | 2 | 1980 |