Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6098612 | Heating garment | Shinichi Nakajima, Toshinari Matsumoto, Takaaki Kusaka | 2000-08-08 |
| 5816793 | Combustion apparatus | Hirohisa Kato, Kenkichi Hashido, Takashi Nishikawa, Hideharu Sano, Satoru Nitta | 1998-10-06 |
| 5139414 | Burner having primary and secondary combustion chambers | Tatsuo Fujita, Sachio Nagamitsu, Kenji Okamoto, Kenkichi Hashido | 1992-08-18 |
| 4909728 | Combustion apparatus | Kenji Okamoto, Tatsuo Fujita, Sachio Nagamitsu | 1990-03-20 |
| 4718926 | Exhaust gas filter for diesel engine | Takao Kusuda, Masaaki Yonemura, Koichi Shinmura | 1988-01-12 |
| 4639208 | Pulse combustion apparatus with a plurality of pulse burners | Isao Inui, Masato Hosaka, Kenji Okamoto | 1987-01-27 |