Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6640767 | Oil pan structure and oil pan separator | Zenichiro Kato, Shoji Miyazaki, Shinzaburo Ichiman, Toshiteru Ando, Tsutomu Okuda | 2003-11-04 |
| 6170620 | Disc brake and anti-squeal shim therefor | Toyotaka Fukawa | 2001-01-09 |
| 6105736 | Disc brake and anti-squeal shim therefor | Yoshimichi Okazaki | 2000-08-22 |
| 5731040 | Method for manufacturing gasket material | — | 1998-03-24 |
| 5615897 | Gasket material layer including cork, fibers, rubber, and a rubber chemical | — | 1997-04-01 |