Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9963724 | Method for producing 5-aminolevulinic acid or salt thereof | Masaru Saito, Taishi Yamamoto | 2018-05-08 |
| 6211404 | Method of refining benzoic acid | Hiroyuki Kuwahara, Yuji Arifuku, Kazuyoshi Horibe, Nobumasa Noma, Masakazu Takeuchi | 2001-04-03 |
| 5466395 | Liquid detergent composition | Masaki Tosaka, Hiroyuki Saijo, Yutaka Hayakawa, Toshiaki Ohi | 1995-11-14 |
| 5389282 | Milky detergent composition for hard surfaces | Hiroyuki Saijo, Masaki Tosaka | 1995-02-14 |
| 4985177 | Containing a succinic acid derivative | Masaki Tosaka, Katsuhiko Deguchi | 1991-01-15 |