Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5600022 | Method for recovering chloromethyl methyl ether | Akihiko Tsukada, Hiroshi Arataki, Youichi Tamura | 1997-02-04 |
| 5447983 | Method for producing a large size crosslinked polymer bead | Hiroshi Arataki | 1995-09-05 |
| 5061741 | Method for preparing an oil-in-water type uniform dispersion of liquid droplets and polymerization method for preparing polymer beads of uniform particle size | Eiji Miyata, Hiroshi Maeda, Hiroshi Arataki, Seiji Sudo | 1991-10-29 |
| 4543365 | Method for increasing the porosity of a cross-linked copolymer | Takaharu Itagaki, Tsuyoshi Ito, Hiromi Teshima | 1985-09-24 |