Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6862459 | Switching device | Masaki Sawada, Yasuhiro Yoritsune, Hirohito Suzuki, Tomonori Hasegawa | 2005-03-01 |
| 6774322 | Switch device | Hirohito Suzuki, Tomonori Hasegawa | 2004-08-10 |