Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5290361 | Surface treating cleaning method | Ichiro Hayashida, Masahiko Kakizawa, Kenichi Umekita, Hisashi Muraoka | 1994-03-01 |
| 5081243 | Process for producing 3-tetrazolyl pyrido[1,2-a]pyrimidine derivatives | Atsunori Sano, Masami Ishihara, Jun Yoshihara | 1992-01-14 |
| 5000880 | Novel process for producing phosphatidylcholine derivatives | Masami Ishihara, Tsutomu Miyagawa | 1991-03-19 |
| 4950742 | Process for producing azoimino ethers by oxidation of hydiazonitriles | Kazuo Ichiriki, Motoaki Tanaka, Toru Okugawa | 1990-08-21 |
| 4851572 | .gamma.-L-glutamyl-4-nitroanilide derivatives and process for determining .gamma.-GTP activity using the same | Hiroshi Ogata, Kuniaki Tokuda, Masami Ishihara | 1989-07-25 |
| 4578499 | Oxalic acid ester derivatives | Kazuhiro Imai, Hiroshi Ogata, Motoaki Tanaka, Masami Ishihara | 1986-03-25 |