Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7680665 | Device and method for interpolating frequency components of signal adaptively | Norihisa Shigyo | 2010-03-16 |
| 5195932 | Compact coil spring tensioner | Hideo Hirai, Masakatsu Ando, Yasuhiro Hashimoto, Naoki Fujimoto, Susumu Yamakawa | 1993-03-23 |
| 5083983 | Belt tensioner | Hideo Hirai, Yasuhiro Hashimoto | 1992-01-28 |
| 4983145 | Apparatus for automatically tensioning a drive belt | Hideo Hirai, Masakatsu Ando, Yasuhiro Hashimoto, Naoki Fujimoto, Susumu Yamakawa | 1991-01-08 |