Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6022945 | Process for production of propylene oxide/ethylene oxide block copolymers | Masahiro Kouno, Kazumi Mizutani, Usaji Takaki | 2000-02-08 |
| 5990352 | Phosphazenium salt and preparation process thereof, and process for producing poly(alkylene oxide) | Masahiro Kouno, Toshiaki Suzuki, Kazumi Mizutani, Shinji Kiyono, Yoshiho Sonobe +1 more | 1999-11-23 |
| 5952457 | Polymerization catalyst for alkylene oxide compound and production process of poly(alkylene oxide) | Masahiro Kouno, Kazumi Mizutani, Usaji Takaki | 1999-09-14 |
| 5332739 | Pyrimidinedione derivatives and antiarrhythmic agents containing same | Tsutomu Katakami, Tatsuro Yokoyama, Michihiko Miyamoto, Haruki Mori, Nobuya Kawauchi +2 more | 1994-07-26 |
| 5308848 | Pyrimidinedione derivatives and antiarrythmic agents containing the same | Michihiko Miyamoto, Tsutomu Katakami, Nobuya Kawauchi, Joji Kamiya, Masaaki Ishii | 1994-05-03 |
| 5008267 | Pyrimidinedione compounds, method of producing the same and antiarrythmic agents containing the same | Tsutomu Katakami, Tatsuro Yokoyama, Michihiko Miyamoto, Haruki Mori, Nobuya Kawauchi +4 more | 1991-04-16 |