Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4805589 | Fire-extinguishing device for oil burner | Yutaka Nakanishi, Shigeo Gamou | 1989-02-21 |
| 4797088 | Safety device for oil burner | Kazuharu Nakamura, Yoshio Mito, Yutaka Nakanishi, Yuji Sanada | 1989-01-10 |
| 4790745 | Automatic fire-extinguishing device for oil burner | Yutaka Nakanishi, Junji Mizuno | 1988-12-13 |
| 4767318 | Catalyst moving structure for oil burner | Yutaka Nakanishi, Shigeo Gamou | 1988-08-30 |
| 4714426 | Ignition system for oil burner | Yutaka Nakanishi, Yuji Sanada, Takashi Kawai | 1987-12-22 |
| 4390003 | Petroleum combustion device | Kazuharu Nakamura, Yoshio Mito, Yutaka Nakanishi | 1983-06-28 |
| 4363620 | Fire extinguishing device for oil burner | Kazuharu Nakamura, Yutaka Nakanishi | 1982-12-14 |
| 4316927 | Magnetic recording medium | Shigeo Kimura | 1982-02-23 |