Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6462504 | Energization control device for electric motors | Chiaki Honma, Masanori Sugiyama, Daisuke Yamada, Shinichiroh Iwasaki | 2002-10-08 |
| 6015449 | Rain drop detecting device | Koichi Hirota, Kazuyoshi Mori | 2000-01-18 |