Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5647554 | Electric working apparatus supplied with electric power through power supply cord | Masashi IKEGAMI, Toshihiko Matsuhashi, Takashi Tanaka, Katsunori Hayashi, Daizo Takaoka | 1997-07-15 |