Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5683178 | Apparatus for producing high viscosity materials and method of producing the same | Hidekazu Nakamoto, Chikao Oda, Norio Nakazato, Kazuo Ihara, Takatoshi Kinoshita +2 more | 1997-11-04 |
| 5674956 | Method for producing high viscosity materials | Hidekazu Nakamoto, Chikao Oda, Norio Nakazato, Kazuo Ihara, Takatoshi Kinoshita +2 more | 1997-10-07 |
| 4559060 | Upgrading method of low-rank coal | Katsumi Muroi, Akio Yamamoto, Yoichi Nakamura, Toshihiko Takahashi | 1985-12-17 |
| 4492638 | Method for agglomerating coal particles in pulp water | Kosai Hiratsuka, Yoichi Nakamura, Yoshio Matsuura, Michio Kurihara | 1985-01-08 |
| 4273748 | Process for removing harmful components from gas | Toshihiko Takahashi, Shoichi Kimura | 1981-06-16 |