Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5328533 | Bead apex applying method and device | Osamu Yasuno, Kouji Tsukamoto, Toshikazu Okada, Yoshiaki Nakajima | 1994-07-12 |
| 5145542 | Method and apparatus for producing a biased belt sheet | Kouji Tsukamoto, Katsuaki Shinoda | 1992-09-08 |
| 4321442 | Small-sized switch with indicator | Shigeo Ohashi | 1982-03-23 |
| 4281232 | Small illuminating switch | Akira Hirai, Shigeo Ohashi | 1981-07-28 |