Issued Patents All Time
Showing 51–73 of 73 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4545758 | Pot-type oil burner | Motoki Matsumoto, Tooru Yoshino, Yoshimasa Tsuboi | 1985-10-08 |
| 4544349 | Oil burner comprising safeguard mechanism against power stoppage | Motoki Matsumoto | 1985-10-01 |
| 4543057 | Pot-type oil burner | Motoki Matsumoto, Tooru Yoshino | 1985-09-24 |
| 4528974 | Protective guard for combustion appliance | Motoki Matsumoto, Osamu Niha, Yoshio Suzuki | 1985-07-16 |
| D279498 | Safety guard for a heater | — | 1985-07-02 |
| D278180 | Oil-fired space heater | — | 1985-03-26 |
| 4498862 | Device for adjusting the vertical position of wick in oil burner | Yutaka Nakanishi | 1985-02-12 |
| D277501 | Oil-fired space heater | — | 1985-02-05 |
| 4484886 | Combustion cylinder construction for oil space heater of the type for radiating heat rays | Yutaka Nakanishi | 1984-11-27 |
| D275881 | Oil-fired space heater | — | 1984-10-09 |
| D275879 | Oil-fired space heater and the like | — | 1984-10-09 |
| D275880 | Oil-fired space heater | — | 1984-10-09 |
| D275882 | Oil-fired space heater | — | 1984-10-09 |
| D275883 | Oil-fired space heater and the like | — | 1984-10-09 |
| 4462789 | Heating apparatus with decorative light effect | — | 1984-07-31 |
| 4424019 | Device for vertically moving the wick of an oil burner | Yoshio Mito, Akiyoshi Okayasu, Kazuhiko Takeuchi | 1984-01-03 |
| 4413612 | Red-hot type oil burner | Motoki Matsumoto, Yoshimasa Tsuboi, Akinobu Kondo, Yoshitaka Kataoka | 1983-11-08 |
| D269541 | Oil-fired space heater | — | 1983-06-28 |
| 4390003 | Petroleum combustion device | Yoshio Mito, Yutaka Nakanishi, Toshihiko Yamada | 1983-06-28 |
| D268519 | Oil-fired space heater | — | 1983-04-05 |
| D268518 | Oil-fired space heater | — | 1983-04-05 |
| 4363621 | Oil burner of type of pumping up fuel oil | Motoki Matsumoto, Akinobu Kondo | 1982-12-14 |
| 4363620 | Fire extinguishing device for oil burner | Yutaka Nakanishi, Toshihiko Yamada | 1982-12-14 |