Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5177066 | Stabilization of compositions containing anionic surfactants | Masazo Ogawa, Seiji Aoki | 1993-01-05 |
| 4548648 | Thickening agent for paste | Masazo Ogawa, Tooru Ohnishi | 1985-10-22 |
| 4424061 | Color fastness of dyed cotton textiles to chlorinated water and process for improving the color fastness of dyed cotton textiles to chlorinated water | Akio Murata, Chiyoko Nisioka | 1984-01-03 |
| 4218366 | Condensation product of 4,4'-dihydroxydiphenyl sulfone, 4,4'-dihydroxydiphenylsulfone sulfonic acid and a lower aldehyde and method of preparation | Akio Kobayashi, Kisaburou Shimizu, Yoshiaki Murakami | 1980-08-19 |