Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5837953 | DC circuit breaking device | Hiroki Ito, Takashi Moriyama, Kenji Kamei, Minoru Kimura, Suenobu Hamano +6 more | 1998-11-17 |
| 5737162 | Circuit breaking device | Hiroki Ito, Takashi Moriyama, Kenji Kamei, Suenobu Hamano, Etsuo Nitta +3 more | 1998-04-07 |