Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6183659 | Ferrite oxide magnetic material | Motoi Kumagai | 2001-02-06 |
| 4914104 | Imidazo [1,5-a]pyrimidine derivatives and process for their preparation | Tsutomu Irikura, Seigo Suzue, Hiroaki Uchida, Hirotaka Shinoda, Susumu Kinoshita | 1990-04-03 |
| 4791225 | Halogenobenzoic acid derivatives and their preparation | Tsutomu Irikura, Seigo Suzue, Keiji Hirai, Takayoshi Ishizaki | 1988-12-13 |
| 4788320 | Benzoylacetic acid ester derivatives and process for their preparations | Tsutomu Irikura, Seigo Suzue, Keiji Hirai, Takayoshi Ishizaki | 1988-11-29 |
| 4777241 | Proteinaceous substance showing antitumorous action and its preparing method | Tsutomu Irikura, Koichi Takagi, Jiro Hosomi, Koji Saito, Takashi Okazaki | 1988-10-11 |
| 4649198 | Imidazo(1,5-a)pyrimidine derivatives and their use as antimycotic agents | Tsutomu Irikura, Seigo Suzue, Hiroaki Uchida, Hirotaka Shinoda, Susumu Kinoshita | 1987-03-10 |
| 4599418 | Benzoquinolizine carboxylic acid derivatives, and process for preparation thereof | Tsutomu Irikura, Fjuio Iinuma | 1986-07-08 |
| 4398029 | Quinoline carboxylic acid derivatives and process for the preparation | Tsutomu Irikura, Hiroshi Koga | 1983-08-09 |