Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6579200 | Silent chain with a guide washer having a single aperture for a rocker joint pin | — | 2003-06-17 |
| 6572504 | Silent chain with a guide washer having a single central aperture for a center pin | — | 2003-06-03 |
| 6524204 | Rocker joint for CVT chain belt with stepped pins press fit in the center of the guide links | Niroyuki Takeda | 2003-02-25 |
| 5700217 | Power transmission chain with formed bushing and associated aperture | — | 1997-12-23 |
| 5645502 | Phased continuously variable transmission chain | Yukio Tomimura, Koji Morishige, Hiroshi Umeda, Park Woo Serk, Mark Boshart | 1997-07-08 |
| 5092822 | Low-noise chain and chain power transmission apparatus using the low-noise chain | — | 1992-03-03 |
| 4494636 | One-way clutch | Kinzo Narita | 1985-01-22 |
| 4360093 | One-way clutch | Kinzo Narita | 1982-11-23 |