Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9603928 | Medicinal composition for promoting synthesis of protoporphyrin IX | Masahiro Ishizuka, Urara Oto, Atsuko Kamiya, Kiwamu Takahashi, Tohru Tanaka +2 more | 2017-03-28 |
| 6342377 | Microorganisms producing 5-aminolevulinic acid and processes for producing 5-aminolevulinic acid by using the same | Seiji Nishikawa, Tohru Tanaka, Tomomi Kaminaga, Kikuo Watanabe, Nobuya Miyachi +1 more | 2002-01-29 |
| 5763235 | 5-aminolevulinic acid producing microorganism and process for producing 5-aminolevulinic acid | Seiji Nishikawa, Tohru Tanaka, Yasushi Hotta | 1998-06-09 |
| 5733770 | 5-aminolevulinic acid producing microorganism and process for producing 5-aminolevulinic acid | Seiji Nishikawa, Tohru Tanaka, Yasushi Hotta | 1998-03-31 |