Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7159925 | Sun visor for vehicle | Koji Ikeda, Toshikazu Hirose, Hiroyuki Hirayama, Takatomo Watanabe, Junichi Soga | 2007-01-09 |
| D468609 | Portable electric grinder | — | 2003-01-14 |
| D468177 | Portable electric grinder | — | 2003-01-07 |
| 6281273 | Method of preparing heating type paving material as well as composition for heating type paving material to be used for the method | Seitaro Ando, Sadao Hagiwara, Haruyoshi Miyauchi | 2001-08-28 |
| D392529 | Portable air grinder | — | 1998-03-24 |
| D385764 | Portable air grinder | — | 1997-11-04 |
| 4746325 | Process for producing coal-water slurry at high concentration | Yoshinobu Nakamura, Isao Fujikura, Yazaemon Morita, Shinichi Okada, Masao Inagaki | 1988-05-24 |
| 4385184 | Cationic surface active agents | Hiroyoshi Hamanaka, Kazuichi Umeda, Takashi Amagai, Takashi Shishito | 1983-05-24 |