Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D432080 | Power supply apparatus | Tetsuo Sugimoria, Takahiro Yoneda, Mitsuo Nakada, Yuji Hirose | 2000-10-17 |
| D429215 | Power supply apparatus | Tetsuo Sugimoria, Takahiro Yoneda, Mitsuo Nakada, Yuji Hirose | 2000-08-08 |