Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5009813 | Composition for hair treatment agent | Taichi Watanabe, Hajime Hirota, Tomohito Koshika, Naoko Moriya, Toshio Nozaki | 1991-04-23 |
| 4931216 | Detergent composition comprising an anionic or amphoteric surface active agent and a branched quaternary ammonium salt | Sahoko Igarashi, Hajime Hirota | 1990-06-05 |
| 4876034 | Secondary amidoamino acid based detergent composition | Hajime Hirota, Sahoko Igarashi, Kohshiro Sotoya | 1989-10-24 |
| 4846991 | Novel fatty acid-lactic acid ester | Shigetoshi Suzue, Akio Kimura, Kiyoshi Tsukada, Kozo Noda, Jun Kamegai | 1989-07-11 |
| 4803010 | Water-soluble viscosity increasing agent and detergent composition containing the same | Hiroshi Kamitani, Jun Kamegai, Hiroki Sawada, Hajime Hirota, Tomihiro Kurosaki | 1989-02-07 |
| 4758376 | Phosphate surfactant based detergent compositions | Hajime Hirota, Hideko Ishido, Yutaka Shibata, Sahoko Igarashi, Chizuru Fukami | 1988-07-19 |
| 4678598 | Liquid shampoo composition | Hajime Hirota | 1987-07-07 |