Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4751074 | Hair rinse composition | Takeo Okumura, Sachio Naito, Rikio Tsushima | 1988-06-14 |
| 4495173 | Pre-shampoo type hair treatment composition | Takeo Okumura, Rikio Tsushima | 1985-01-22 |
| 4465664 | Hair setting composition | Takeo Okumura, Sachio Naito, Rikio Tsushima | 1984-08-14 |
| 4439417 | Shampoo composition | Takeo Okumura, Sachio Naito, Rikio Tsushima | 1984-03-27 |
| 4436722 | Hair rinse composition | Takeo Okumura, Sachio Naito, Rikio Tsushima | 1984-03-13 |
| 4376177 | Sizing composition | Kozo Ohira, Yunosuke Nakagawa | 1983-03-08 |
| 4369037 | Hair treatment cosmetics containing cationic keratin derivatives | Takeo Okumura, Rikio Tsushima | 1983-01-18 |
| 4238057 | Sizing composition of spraying type | Masaki Tsumadori, Yunosuke Nakagawa | 1980-12-09 |
| 4226748 | Fabric sizing emulsion | Shin Masuda, Yunosuke Nakagawa, Naotake Takaishi | 1980-10-07 |