Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6452356 | Chopping energization control device for electric motor | Masanori Sugiyama, Chiaki Homna | 2002-09-17 |
| 6380705 | Chopping energization control device | Hiroyuki Inagaki, Masanori Sugiyama, Daisuke Yamada, Chiaki Honma | 2002-04-30 |
| 6339310 | Motor driving control device | Masanori Sugiyama, Hiroyuki Inagaki | 2002-01-15 |