Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5783628 | Modified polyvinyl alcohol | Akira Yada, Hiroshi Nishiguchi, Akira Kitada, Yoshiyuki Mori | 1998-07-21 |
| 4762862 | Process for preparing high molecular weight acrylic polymers | Akira Yada, Shusaku Matsumoto, Yoshitugu Adachi, Yoshio Hatakawa | 1988-08-09 |
| 4690788 | Process for preparing water-soluble polymer gel particles | Akira Yada, Shusaku Matsumoto, Takao Saito, Tadashi Nishiyama, Yoshitugu Adachi | 1987-09-01 |
| 4647598 | Process for preparing water-soluble polymers | Akira Yada, Shusaku Matsumoto, Takao Saito, Tadashi Nishiyama, Yoshitugu Adachi | 1987-03-03 |
| 4612336 | Process for preparing water-soluble acrylic polymers by irradiating aqueous monomer solutions containing a surfactant | Akira Yada, Shusaku Matsumoto, Takao Saito, Tadashi Nishiyama, Yoshitugu Adachi | 1986-09-16 |
| 4604411 | Process for preparing sticky polymers | Akira Yada, Shusaku Matsumoto, Takao Saito, Tadashi Nishiyama, Yoshitugu Adachi | 1986-08-05 |