Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7087681 | Method for preparing polymers containing cyclopentanone structures | — | 2006-08-08 |
| 6835296 | Method for preparing polymers containing cyclopentanone structures | — | 2004-12-28 |
| 6767446 | Method for preparing polymers containing cyclopentanone structures | — | 2004-07-27 |
| 6737193 | Tetraketopiperazine unit-containing compound as an active material in batteries | — | 2004-05-18 |
| 6239289 | O-(perfluoroalkyl)dibenzofuranium salt derivatives, intermediates for the preparation of the same, process for the preparation of the intermediates, perfluoroalkylating agents, and process for perfluoroalkylation | Kenji Adachi, Sumi Ishihara | 2001-05-29 |
| 6174628 | Electrolyte containing dihalodicarbonyl compounds and electric energy generator using same | Masayuki Harada, Kenji Adachi | 2001-01-16 |
| 5892035 | Process for preparing N,N'-difluorodiazoniabicycloalkane salt, intermediate therefor | Masayuki Nagayoshi, Ginjiro Tomizawa, Kenji Adachi | 1999-04-06 |
| 5736274 | Conjugated N-fluoropyridinium salt-containing polymer and use of the same | Kenji Adachi, Ginjiro Tomizawa, Sumi Ishihara, Masayuki Nagayoshi | 1998-04-07 |
| 5573868 | Material for generating electric energy | Naoaki Izutani, Ikuko Takahasi | 1996-11-12 |
| 5569771 | (Haloalkyl) dibenzooniumsulfonate and its production methods; and a haloalkylating agent and haloalkylating methods | Sumi Ishihara, Kenji Adachi | 1996-10-29 |
| 5569778 | Process for preparing fluorine-containing dicarbonyl compound | Ginjiro Tomizawa | 1996-10-29 |
| RE35177 | N-fluoropyridinium salt and process for preparing same | Kyoichi Tomita, Kosuke Kawada, Ginjiro Tomizawa | 1996-03-12 |
| 5374732 | Certain substituted N-fluoropyridiniumsulfonates | Ginjiro Tomizawa | 1994-12-20 |
| 5081249 | N-fluoropyridinium-Sulfonates and a process for their preparation | — | 1992-01-14 |
| 5066795 | Perfluoroalkyl-containing compound | Sumi Ishihara | 1991-11-19 |
| 4996320 | N-fluoropyridinium salt and process for preparing same | Kyoichi Tomita, Kosuke Kawada, Ginjiro Tomizawa | 1991-02-26 |
| 4973697 | 2-halopyridine-6-sulfonic acid and its salt | Kikuko Harasawa | 1990-11-27 |
| 4873027 | Fluoroalkylaryliodonuim compounds | Yoshihiko Gotoh | 1989-10-10 |
| 4631342 | Process for producing 5-fluorouracil | Eiji Ogura | 1986-12-23 |
| 4371710 | Perfluoroalkyl compounds and process for preparing the same | — | 1983-02-01 |
| 4324741 | Perfluoroalkyl compounds and process for preparing the same | — | 1982-04-13 |
| 4212984 | Prostaglandin precursors | Kiyosi Kondo, Daiei Tunemoto | 1980-07-15 |