Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4478735 | Process for producing granular detergent composition | Hideo Tanaka, Masayoshi Nakamura | 1984-10-23 |
| 4416809 | Granular detergent composition | Teruo Magari, Masayoshi Nakamura | 1983-11-22 |
| 4350619 | Granular detergent containing zeolite, silicate, LAS and olefin sulfonate | Masayoshi Nakamura, Teruo Magari, Seiji Abe | 1982-09-21 |
| 4186114 | Free-flowing granular detergent compositions containing olefin sulfonates | Masayoshi Nakamura, Toshiaki Ogoshi | 1980-01-29 |