Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6722408 | Pneumatic tire including land portion having arcuate and convex tread surface | — | 2004-04-20 |
| 6196331 | Air supply and exhaust system for pneumatic tool | Hajime Takemura | 2001-03-06 |
| 6140407 | Pneumatic tire provided with electrically conductive coating | Keizo Akutagawa, Ken Yamaguchi | 2000-10-31 |
| 5878936 | Exhaust mechanism of pneumatic nailing machine | Michiaki Adachi, Nobuo Kishi, Yasunori Aihara, Tatsushi Ogawa, Makoto Kosuge +2 more | 1999-03-09 |
| 5689141 | Compressor drive system for a natural gas liquefaction plant having an electric motor generator to feed excess power to the main power source | Yoshitsugi Kikkawa, Osamu Yamamoto, Junichi Sakaguchi | 1997-11-18 |