Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4818070 | Liquid crystal optical device using U.V.-cured polymer dispersions and process for its production | Hiroshi Kumai, Minoru Akatsuka, Shoichi Tsuchiya | 1989-04-04 |
| 4764619 | Optically active compounds, smectic liquid crystal compositions containing them and smectic liquid crystal display devices | Ryutaro Takei, Eriko AOYAMA | 1988-08-16 |
| 4528058 | Method of bonding ion exchange membrane of fluorinated polymer to synthetic resin | Tatsuro Asawa, Tsuneji Ishii | 1985-07-09 |
| 4514044 | 1-(Trans-4-alkylcyclohexyl)-2-(trans-4'-(p-substituted phenyl) cyclohexyl)ethane and liquid crystal mixture | Ryutaro Takei | 1985-04-30 |
| 4389494 | Process for producing a membrane for electrolysis by forming removable thin layer upon electrode | Manabu Suhara, Haruhisa Miyake | 1983-06-21 |
| 4318785 | Method of bonding cation exchange membrane of fluorinated polymer | Isamu Takeshita | 1982-03-09 |
| 4255523 | Cation exchange membrane of fluorinated polymer for electrolysis and preparation thereof | Hiroshi Ukihashi, Tatsuro Asawa | 1981-03-10 |
| 4225400 | Method of bonding cation exchange membrane of fluorinated polymer | Isamu Takeshita | 1980-09-30 |
| 4218542 | Cation exchange membrane of fluorinated polymer containing polytetrafluoroethylene fibrils for electrolysis and preparation thereof | Hiroshi Ukihashi, Tatsuro Asawa | 1980-08-19 |
| 4206022 | Method of bonding cation exchange membrane of fluorinated polymer | Isamu Takeshita | 1980-06-03 |