Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9810259 | Thrust bearing | — | 2017-11-07 |
| 5352828 | Process for stabilizing aqueous acrylamide solution | Susumu Seki | 1994-10-04 |
| 5200464 | Water-soluble radical-curing polyvinyl alcohol derivative | Susumu Harashima | 1993-04-06 |
| 4734238 | Process for producing powder of cationic polymer | Teruhiko Sugimori, Hideaki Habara, Ken-ichi Inukai | 1988-03-29 |
| 4514551 | Process for the preparation of cationic polymers | Kenichi Inukai, Yasuo Ogawa | 1985-04-30 |
| 4313863 | Modification of acrylamide polymers | Ryoji Handa, Norimasa Yoshida, Jun Hosoda | 1982-02-02 |
| 4306045 | Process for producing acrylamide polymers | Norimasa Yoshida, Yasuo Ogawa, Ryoji Handa, Jun Hosoda, Nobuo Kurashige | 1981-12-15 |
| 4306048 | Method for preparing acrylamide polymers | Norimasa Yoshida, Yasuo Ogawa, Ryoji Handa, Susumu Seki, Jun Hosoda +1 more | 1981-12-15 |
| 4190717 | Process for producing polymer from quaternized acrylate monomer | Naoyuki Suzuki, Yoji Wada, Masao Ishii | 1980-02-26 |