Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7475670 | Valve operating mechanism | Tadayoshi Sato, Hiromitsu Ishihara | 2009-01-13 |
| 6201371 | Uninterruptible power system | Tatsuhiko Satoh | 2001-03-13 |
| 5309224 | Apparatus for converting a television signal of a first television system into a television signal of a second television system employing a digital chrominance signal processing circuit | Naoshi Usuki | 1994-05-03 |