Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8471061 | 5-aminolevulinic acid salt, process for producing the same and use thereof | Naohisa Tachiya, Seiji Nishikawa, Tohru Tanaka, Masahiro Ishizuka, Hideki Okada | 2013-06-25 |
| 8173839 | 5-aminolevulinic acid salt, process for producing the same and use thereof | Naohisa Tachiya, Seiji Nishikawa, Tohru Tanaka, Masahiro Ishizuka, Hideki Okada | 2012-05-08 |