Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6633222 | Battery breaker | Takeshi Nagai | 2003-10-14 |
| 6568272 | Supporting apparatus and a vibration generator | Takehiro Fukushima, Masakazu Shirahoshi, Katsuhiko Nakamura | 2003-05-27 |