Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6496339 | Electric power supply device and equipment using thereof | Wataru Sugawara, Toshio Shimada, Masahiko Niino | 2002-12-17 |
| 6336336 | Rotary piston compressor and refrigerating equipment | Tatsuya Wakana, Kenichi Oshima, Minoru Oki, Tatsuo Horie | 2002-01-08 |