Issued Patents 1997
Showing 1–3 of 3 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, Shoichi Takao | 1997-11-25 |
| 5688843 | Oil-absorbent composition, particulate oil absorber, oil-absorbent material, and oil-absorbent pack | Toru Inaoka, Tomoki Gomi, Yoshiyuki Onda, Toshio Tamura | 1997-11-18 |
| 5661206 | Fluidity control of cementitious compositions | Yoshio Tanaka, Akira Ohta, Tsuyoshi Hirata | 1997-08-26 |