Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5266004 | Blower | Seiichi Kawauchi, Masato Saitoh, Shiyuji Abiko, Kazuharu Suzuki | 1993-11-30 |
| D322669 | Electric fan | Takashi Yamamoto, Tetsuro Aobori, Hirofumi Tanaka | 1991-12-24 |
| D315598 | Electric fan | Takashi Yamamoto, Tetsuro Aobori, Koichi Hasegawa | 1991-03-19 |
| D291486 | Electric fan | Shuichi Kouno, Hideki Sakae, Kazunori Yanagisawa | 1987-08-18 |
| D290997 | Electric fan | Toshiyuki Utsuki, Shuichi Kouno, Kazunori Yanagisawa | 1987-07-21 |