Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4579922 | Emulsifier for emulsion polymerization | Tatsumi Toshine | 1986-04-01 |
| 4576680 | Method of sizing paper | Takashi Fujikawa, Eiji Watanabe | 1986-03-18 |
| 4544414 | Self-emulsifying sizing composition | Takashi Fujikawa, Eiji Watanabe | 1985-10-01 |
| 4404034 | Process for preparing aqueous dispersion of rosin-base materials | Ryoji Kaji | 1983-09-13 |
| 4380475 | Process for preparing aqueous dispersion of rosin-base materials | Shigenori Tsujimoto, Ryoji Kaji | 1983-04-19 |
| 4309338 | Process for preparing aqueous dispersion of rosin-base materials | Toshiharu Okumichi | 1982-01-05 |
| 4267099 | Process for preparing aqueous dispersion of rosin-base materials | Toshiharu Okumichi | 1981-05-12 |