Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5090538 | Electromagnetic spring clutch | — | 1992-02-25 |
| 5024311 | Electromagnetic spring clutch | — | 1991-06-18 |
| 4921933 | Aromatic polyamide molded article having storage modulus | Kohei Shizuka, Masahiro Kouno, Akio Matsuyama, Hirotoshi Katsuoka, Kazumi Mizutani | 1990-05-01 |
| 4795795 | Catalytic preparation of polyamide or polyamide-polymide with N,N'-dimethyl alkylene urea solvent | Masahiro Kouno, Kazumi Mizutani, Kohei Shizuka, Toshihiro Toyoda, Hiromi Nakano | 1989-01-03 |
| 4785069 | Preparation process of heat-resistant polymers from polycarboxylic acids or anhydrides in the presence of an alkali metal fluoride and quaternary onium salt | Masahiro Kouno, Akihiro Yamaguchi, Kohei Shizuka, Hiromi Nakano, Kazumi Mizutani | 1988-11-15 |
| 4758649 | Heat resistant organic synthetic fibers and process for producing the same | Shoji Asano, Akio Ohmory, Akitsugu Akiyama, Kohei Shizuka, Masahiro Kouno | 1988-07-19 |
| 4736008 | Preparation process of heat-resistant polymers from polycarboxcylic acids and anhydrides in the presence of an alkali metal fluoride | Masahiro Kouno, Akihiro Yamaguchi, Kohei Shizuka, Hiromi Nakano, Kazumi Mizutani | 1988-04-05 |
| 4395531 | Process for the preparation of polyamide compounds by the reaction of polycarboxylic acids with diisocyanates in the presence of at least one mono-alkali metal salt of dicarboxylic acid | Toshihiro Toyoda, Motoo Kawamata, Masayoshi Itoh, Kazumi Mizutani, Masahiro Kono | 1983-07-26 |
| 4282114 | Catalyst for polymerizing .alpha.-olefins | Akira Ito, Heizo Sasaki, Masahiro Kouno, Kenji Iwata | 1981-08-04 |