Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7291255 | Method and apparatus for producing high-purity hydrogen | Hiroyuki Fujimura, Chi Matsumura, Takahiro Oshita | 2007-11-06 |
| 5015443 | Method of and apparatus for treating waste gas by irradiation with electron beam | Akihiko Maezawa | 1991-05-14 |
| 4915916 | Method of and apparatus for treating waste gas by irradiation with electron beam | Akihiko Maezawa | 1990-04-10 |
| 4495290 | Apparatus for composting | Yoshio Hirayama, Ryoichi Takeuchi, Masanori Kodaira, Gorou Iizuka | 1985-01-22 |
| 4462695 | Composting apparatus | Yoshio Hirayama, Ryoichi Takeuchi | 1984-07-31 |
| 4410348 | Method for composting | Yoshio Hirayama, Ryoichi Takeuchi, Masanori Kodaira, Gorou Iizuka | 1983-10-18 |
| 4324620 | Pyrolyzing apparatus | Yoshio Hirayama, Yoshiaki Ishii, Naoyoshi Ando | 1982-04-13 |
| 4258005 | Thermal reactor with fluidizing rotors | Yoshio Hirayama, Yoshiki Kuroda | 1981-03-24 |