Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4769737 | Circuit for driving a relay used in an AC circuit, with a protection against contact welding | Tamotu Maegawa | 1988-09-06 |
| 4726160 | Temperature control apparatus for electric refrigerator | Syunro Kawaguchi, Hiroshi Tamura | 1988-02-23 |
| 4389854 | High speed freezing system for a refrigerator | Kazuya Kawasaki, Kouichi Nagao, Naoki Mori | 1983-06-28 |