Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5690704 | Additive for carbonaceous solid-water slurry, method for production thereof, and carbonaceous solid-water slurry compositions | Kenichiro Hayashi, Satoshi Yamada, Hideyuki Tahara | 1997-11-25 |
| 5126248 | Process for preparation of riboflavin | Akinobu Matsuyama, Kimitoshi Kawai, Sadao Kageyama | 1992-06-30 |
| 4872885 | Dispersant for aqueous slurry of carbonaceous solid and aqueous carbonaceous solid slurry composition incorporating said dispersant therein | Tsuneo Tsubakimoto, Hayami Ito, Shuhei Tatsumi, Yoshihiro Kajibata, Takakiyo Goto +4 more | 1989-10-10 |
| 4794081 | Process for the preparation of riboflavin | Kimitoshi Kawai, Akinobu Matsuyama | 1988-12-27 |
| 4727026 | Method for direct saccharification of raw starch using enzyme produced by a basidiomycete belonging to the genus Corticium | Masahiko Sawada, Kazuhiko Kurosawa, Hiroshi Sasaki | 1988-02-23 |
| 4712742 | Preparation of deashed high solid concentration coal-water slurry | Takayuki Ogawa, Hideaki Ito, Naokazu Kimura, Hayami Ito, Shuhei Tatsumi +5 more | 1987-12-15 |
| 4706891 | Process for producing high concentration coal-water slurry | Kazuhiko Nakaoji, Mitsugu Kamao, Hayami Itoh, Shuhei Tatsumi | 1987-11-17 |
| 4593859 | Preparation of deashed high solid concentration coal-water slurry | Kazuhiko Nakaoji, Mitsugu Kamao, Kunizo Shinano, Takashi Kuwabara, Masazumi Ito +5 more | 1986-06-10 |
| 4500041 | Process for producing high-concentration slurry of coal | Kazuhiko Nakaoji, Mitsugu Kamao, Hayami Itoh, Shuhei Tatsumi | 1985-02-19 |