Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D291486 | Electric fan | Shuichi Kouno, Kazunori Yanagisawa, Yasuo Tsumurai | 1987-08-18 |
| D291352 | Electric fan | Shuichi Kouno, Toshiyuki Utsuki, Kenichi Watanabe | 1987-08-11 |
| D290872 | Electric fan | Shuichi Kouno, Toshiyuki Utsuki, Kenichi Watanabe | 1987-07-14 |