Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5179009 | Process for producing L-aspartyl-L-phenylalanine and its diketopiperazine | Kenzo Yokozeki, Naoki Usui, Toshihide Yukawa, Koji Kubota | 1993-01-12 |
| 4755466 | Process for producing L-phenylalanine | Kenzo Yokozeki, Norimasa Onishi, Hideo Kano | 1988-07-05 |
| 4666838 | Process for the production of L-aspartyl-L-phenylalanine esters | Kenzo Yokozeki, Eiji Majima, Takeru Sato, Toshihide Yukawa | 1987-05-19 |
| 4371577 | Antimicrobial carpet containing amino acid type surfactant | Minoru Sato, Shigeshi Toyoshima | 1983-02-01 |
| 4361560 | Imidazoledicarboxylic acid derivative | Naohiko Yasuda, Chikahiko Eguchi, Masaru Okutsu | 1982-11-30 |
| 4294754 | Ring peptide antibiotics, Permetin A and a process for producing the same | Yoshiyuki Takahara, Yoko Takeuchi, Asao Murai, Masatsune Kainosho, Sawao Murao | 1981-10-13 |
| 4225585 | Fungicidal and bactericidal compositions and method for protecting plants by use thereof | Takao Kida, Zuisho Terahara, Toshiro Shida, Hiroshi Mizuno, Yoshiyuki Takahara | 1980-09-30 |
| 4217450 | Imidazoledicarboxylic acid substituted cephalosporin derivatives | Naohiko Yasuda, Chikahiko Eguchi, Masaru Okutsu | 1980-08-12 |