Issued Patents All Time
Showing 51–62 of 62 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5866957 | Switching device | Takaaki Izawa | 1999-02-02 |
| 5685242 | Pulverized coal combustion burner | Kiyoshi Narato, Hironobu Kobayashi, Masayuki Taniguchi, Tsuyoshi Kohno, Hirofumi Okazaki +2 more | 1997-11-11 |
| 5534735 | Photo SI thyristor driving circuit and its protection circuit | Kazuo Sugimura, Satoshi Miwa, Keizo Yamamoto, Masayuki Saito | 1996-07-09 |
| 5431114 | Combustion apparatus | Shigeki Morita, Kouji Kuramashi, Shigeto Nakashita, Keiji Ishii, Tadashi Jimbo +2 more | 1995-07-11 |
| 5263426 | Combustion apparatus | Shigeki Morita, Kouji Kuramashi, Shigeto Nakashita, Keiji Ishii, Tadashi Jimbo +2 more | 1993-11-23 |
| 5258670 | Light triggered & quenched static induction thyristor circuit | Masayuki Saito, Masaaki Katsumata, Shigemi Endo | 1993-11-02 |
| 5231937 | Pulverized coal burner, pulverized coal boiler and method of burning pulverized coal | Hironobu Kobayashi, Kiyoshi Narato, Shigeru Azuhata, Hiroshi Miyadera, Shigeki Morita +2 more | 1993-08-03 |
| 5090339 | Burner apparatus for pulverized coal | Kunio Okiura, Noriyuki Oyatsu, Hiroyuki Kaku, Shigeki Morita, Hironobu Kobayashi | 1992-02-25 |
| 5022836 | Sealing device for oil rotary vacuum pump | Kiyonori Tokumitsu, Sadanori Hirano | 1991-06-11 |
| 4991520 | Ignition burner apparatus for pulverized coal | Toshikazu Tsumura, Ryuichi Sugita, Yasuhide Sakaguchi, Ikuhisa Hamada | 1991-02-12 |
| 4885999 | Pulverized coal firing method and equipment therefor | Kunio Okiura, Naoki Fujiwara | 1989-12-12 |
| 4403941 | Combustion process for reducing nitrogen oxides | Kunio Okiura, Iwao Akiyama, Hiroshi Terada, Yoshijiro Arikawa, Shigeki Morita | 1983-09-13 |