Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D414294 | Lighter | Masahiko Kamegamori | 1999-09-21 |
| D413053 | Gas burner | Masahiko Kamegamori | 1999-08-24 |
| 4995171 | Gas combustion type dryer | Sadao Yoshinaga | 1991-02-26 |
| 4693868 | Thermal fumigator for drugs | Yoshio Katsuda, Sadao Yoshinaga | 1987-09-15 |
| 4502465 | Catalyst combustion curling device | Sadao Yoshinaga, Yoshinobu Tajiri | 1985-03-05 |