Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7102869 | Optical semiconductor relay | Masaru Yumura, Yoshiaki Aizawa | 2006-09-05 |
| 6992196 | Method for producing refined ethylene sulfite | Norioki Mine, Minoru Kotato | 2006-01-31 |
| 5163300 | Temperature-responsive controller for regulating ice production in a refrigerator unit | Hiroshi Oike | 1992-11-17 |