Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4556735 | Spergualin-related compounds having a phenylene group as well as a process for producing the same | Hamao Umezawa, Tomio Takeuchi, Katsutoshi Takahashi, Teruya Nakamura, Yoshihisa Umeda | 1985-12-03 |
| 4529549 | Spergualin-related compounds and process for the preparation thereof | Hamao Umezawa, Tomio Takeuchi, Katsutoshi Takahashi, Teruya Nakamura, Yoshihisa Umeda | 1985-07-16 |
| 4464532 | Intermediates of 7-alkoxycarbonyl-6,8-dimethyl-4-hydroxymethyl-1-phthalazone | Yukio Takei, Masao Yoshida | 1984-08-07 |
| 4453003 | Process for producing threo-3-amino-2-hydroxy-butanoyl-aminoacetic acids as well as novel intermediates therefor and process for producing them | Hamao Umezawa, Takaaki Aoyagi, Tadashi Shirai, Masao Suzuki, Tetsushi Saino | 1984-06-05 |
| 4391986 | Process for producing threo-3-amino-2-hydroxybutanoyl-aminoacetic acids, as well as novel intermediates therefor and process for producing them | Hamao Umezawa, Takaaki Aoyagi, Tadashi Shirai, Masao Suzuki, Tetsushi Saino | 1983-07-05 |
| 4350813 | Process for producing 7-alkoxycarbonyl-6,8-dimethyl-4-hydroxymethyl-1-phthalazone and its intermediates | Yukio Takei, Masao Yoshida | 1982-09-21 |
| 4281180 | Process for producing threo-3-amino-2-hydroxybutanoyl-aminoacetic acids, as well as novel intermediated therefor and process for producing them | Hamao Umezawa, Takaaki Aoyagi, Tadashi Shirai, Masao Suzuki, Tetsushi Saino | 1981-07-28 |
| 4240975 | Bestatin | Hamao Umezawa, Takaaki Aoyagi, Tomohisa Takita, Tetsushi Saino | 1980-12-23 |
| 4224239 | Process for preparing optically active amino acid or mandelic acid | Yasuhisa Tashiro, Takashi Nagashima, Shigeru Aoki | 1980-09-23 |
| 4198524 | Optically active amino acid-mandelic acid complexes | Yasuhisa Tashiro, Takashi Nagashima, Shigeru Aoki | 1980-04-15 |
| 4189604 | Bestatin | Hamao Umezawa, Takaaki Aoyagi, Tomohisa Takita, Tetsushi Saino | 1980-02-19 |