Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5865951 | Process for making paper | Shigenao Kawakami, Nobuyuki Matsuda, Hiroshi Horiuchi | 1999-02-02 |
| 4997895 | Aqueous dispersion of cationic polymer | Tadayuki Ohmae, Kentaro Mashita, Noboru Yamaguchi, Kouichiro Asao, Tadashi Sakurai | 1991-03-05 |
| 4980238 | Aqueous dispersion of cationic polymer | Tadayuki Ohmae, Kentaro Mashita, Noboru Yamaguchi, Kouichiro Asao, Tadashi Sakurai | 1990-12-25 |
| 4919757 | Aqueous dispersion of cationic polymer | Tadayuki Ohmae, Kentaro Mashita, Noboru Yamaguchi, Kouichiro Asao, Tadashi Sakurai | 1990-04-24 |
| 4336835 | Production of wet-strength paper with aqueous solutions of cationic thermosetting resins | Hisao Takagishi | 1982-06-29 |
| 4287110 | Production of aqueous solutions of cationic thermosetting resins | Hisao Takagishi | 1981-09-01 |