Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5302157 | Lightweight V-grooved pulley | Ken Ogura, Tomokazu Kawamura | 1994-04-12 |
| 4633557 | Method of making poly-V pulleys | — | 1987-01-06 |
| 4518374 | Poly-V pulleys | — | 1985-05-21 |
| D277547 | Poly-V pulley | — | 1985-02-12 |
| D276409 | Poly-V pulley | — | 1984-11-20 |
| D275365 | Poly-V pulley | — | 1984-09-04 |
| D275176 | Poly-V pulley | — | 1984-08-21 |
| 4455853 | Method of making poly-V pulleys | — | 1984-06-26 |
| D268092 | Poly-v pulley | — | 1983-03-01 |
| D267540 | Poly-v pulley | — | 1983-01-11 |
| D267541 | Poly-v pulley | — | 1983-01-11 |
| D267472 | Poly-V pulley | — | 1983-01-04 |
| D266982 | Poly-v pulley | — | 1982-11-23 |
| D266983 | Poly-v pulley | — | 1982-11-23 |
| D266984 | Poly-v pulley | — | 1982-11-23 |
| 4313323 | Method for manufacturing poly-V pulleys | — | 1982-02-02 |