Issued Patents 1989
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886891 | Process for preparing 1,1-disubstituted ethylene derivative by reaction of lead with a carbinol derivative | Shigeru Torii, Masatoshi Taniguchi, Michio Sasaoka, Yoshihisa Tomotaki, Mitsuo Akada +2 more | 1989-12-12 |
| 4861768 | 2 .beta.-substituted thiomethylpenicillin derivatives and their preparation and use | Sigeru Torii, Motoaki Tanaka, Shozo Yamada, Akira Nakai, Hisashi Ohbayashi | 1989-08-29 |
| 4853468 | Process for the preparation of cephem derivatives | Sigeru Torii, Kenji Uneyama, Junzo Nokami, Michio Sasaoka, Norio Saito +1 more | 1989-08-01 |
| 4817047 | Processing circuit capable of raising throughput of accumulation | Takao Nishitani, Ichiro Kuroda, Kyosuke Sugishita | 1989-03-28 |
| 4810788 | Azetidinone disulfide derivatives and a process for preparing the same | Sigeru Torii, Junzo Nokami, Michio Sasaoka, Norio Saito, Takashi Siroi | 1989-03-07 |
| 4802097 | Control systems of injection molding machines | Saburo Bannai, Kiyoshi Sasaki, Tsuginobu Totani | 1989-01-31 |
| 4801720 | Azetidinone disulfides and a ring opening process for preparing the same | Sigeru Torii, Junzo Nokami, Michio Sasaoka, Norio Saito, Takashi Siroi | 1989-01-31 |
| 4798890 | Process for preparation of azetidinone derivatives | Sigeru Torii, Michio Sasaoka, Takashi Shiroi | 1989-01-17 |
| 4796218 | Arithmetic circuit capable of executing floating point operation and fixed point operation | Takao Nishitani | 1989-01-03 |