Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4756845 | Bleaching compositions | Hiroshi Sugawara, Yoji Toma, Takahiro Takabe | 1988-07-12 |
| 4678590 | Softener composition | Kazuhito Nakamura, Hisami Sasaki, Masayoshi Chigira | 1987-07-07 |