Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6664332 | Resin composition for recording sheets | — | 2003-12-16 |
| 6250992 | Mirror grinding method and glass lens | Junichi Ikeno, Takayuki Kishida | 2001-06-26 |
| 5977273 | Process for suspension polymerization of vinyl chloride with carboxyl containing polyvinyl-alcohol | Kizo Onishi, Shunro Hayashi | 1999-11-02 |
| 5780547 | Dispersing stabilizer for suspension polymerization of vinyl chloride | Kizo Onishi, Shunro Hayashi | 1998-07-14 |
| 5158810 | Melt-molded articles and laminates derived therefrom, and their use | Tsukasa Oishi, Munetoshi Tomita | 1992-10-27 |
| 4714767 | Process for the separation of a basic amino acid from a fermentation broth using cation exchange resins | Kiyoshi Tanaka, Tsutomu Matsuishi, Yoshihiro Koga, Tetsuya Kawakita | 1987-12-22 |
| 4711722 | Method for preventing fouling of electrodialysis membrane | Seiji Toyoshi, Tomoya Yoshizumi, Tetsuya Kawakita | 1987-12-08 |
| 4663048 | Method for the separation of a basic amino acid from its fermentation broth | Kiyoshi Tanaka, Yoshihiro Koga, Tetsuya Kaneko, Tetsuya Kawakita | 1987-05-05 |
| 4617155 | Novel lysine salt crystals and process for production thereof | Kiyoshi Tanaka, Yoshihiro Koga, Tetsuya Kaneko, Tetsuya Kawakita | 1986-10-14 |
| 4601829 | Purification of lysine by reverse-phase osmosis | Tetsuya Kaneko, Kiyoshi Tanaka, Tetsuya Kawakita | 1986-07-22 |
| 4543330 | Process for the production of a fermentation starting material | Hideyuki Morimoto, Tetsuya Kawakita | 1985-09-24 |
| 4523999 | Ultrafiltration method | Seiji Toyoshi, Tetsuo Tanegawa, Tetsuya Kawakita | 1985-06-18 |