Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4982063 | Door locking and unlocking apparatus for a cooker using electromotive operation and manual operation | Takeshi Tsunekawa, Kazuhiro Nishikawa | 1991-01-01 |
| 4353680 | Exhaust fan with removable face cover | Makoto Niwa, Satoru Ishii | 1982-10-12 |