Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9091571 | Instrument lighting device | Norihiro Ogawa | 2015-07-28 |
| 8764208 | Meter illumination device | Satoshi Ishizuki | 2014-07-01 |
| 5893034 | Cordless parent/slave telephone set with improved sidetone handling | Hideo Hikuma, Kiyoshi Tanaka | 1999-04-06 |