Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5301642 | Warming-up promoting apparatus of internal combustion engine | Ryuichi Matsushiro, Toshihiko Igashira, Shigeo Sasao | 1994-04-12 |
| 5146169 | Reference electrode and a pair of electrodes for detecting the acidity or basicity of oil | Shinya Morishita, Kenichi Suzuki, Masahiko Nakada | 1992-09-08 |