Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5614585 | Hydrophilic surface-treating aqueous solution and hydrophilic surface-treating method | Masahiko Matsukawa, Hidekimi Hirasawa, Katsuyoshi Yamasoe | 1997-03-25 |
| 5527854 | Hydrophilic surface-treating aqueous solution and hydrophilic surface-treating method using polyglutamic acid | Masahiko Matsukawa, Hidekimi Hirasawa, Katsuyoshi Yamasoe | 1996-06-18 |
| 5494705 | Hydrophilic surface treating aqueous solution, hydrophilic surface treating method and hydrophilic surface treating film | Katsuyoshi Yamasoe, Hidekimi Hirasawa, Masahiko Matsukawa, Kouji Mizohata | 1996-02-27 |
| 5478872 | Hydrophilic surface treating aqueous solution, hydrophilic surface treating method and hydrophilic surface treating film | Katsuyoshi Yamasoe, Hidekimi Hirasawa, Masahiko Matsukawa, Kouji Mizohata | 1995-12-26 |
| 5458917 | Continuous surface treating method and apparatus with inline centrifugal separator | Tsutomu Motohashi, Masahiro Kojima, Kiyotada Yasuhara, Kageki Fujimoto | 1995-10-17 |
| 5350445 | Hydrophilic coating composition and bath containing same | Kiyotada Yasuhara, Masahiro Kojima, Susumu Inoue | 1994-09-27 |