Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6657071 | Process for producing &agr;-sulfo-fatty acid alkyl ester salt | Masahisa Yoshiya, Taku Nishio, Seiji Matoba, Yozo Miyawaki | 2003-12-02 |
| 4507223 | High concentration surfactant slurry | Akira Hayashi | 1985-03-26 |
| 4318823 | Light colored homogeneous and aqueous alpha olefin sulfonate solutions | Shizuo Sekiguchi, Kyozo Kitano, Toshiaki Ogoshi | 1982-03-09 |
| 4309317 | Clear aqueous olefin sulfonate solution | Shizuo Sekiguchi, Kyozo Kitano | 1982-01-05 |
| 4279786 | Homogeneous aqueous alpha-olefin sulfonate composition | Shizuo Sekiguchi, Kyozo Kitano | 1981-07-21 |