Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10470989 | Surface-treated powder using theanine, and cosmetic preparation containing same | Yuji Masubuchi, Kaori Matsumoto | 2019-11-12 |
| 7015296 | Preparation of linear organosiloxane polymers | Hiroshi Nakayama, Masao Maruyama, Masaaki Furuya, Tetsuo Nakanishi | 2006-03-21 |
| 6809053 | Method for reactivating sulfonated resin catalyst | Hiroshi Nakayama, Masao Maruyama, Susumu Ueno | 2004-10-26 |
| 6737538 | Purification of silicone oil | Hiroshi Nakayama, Masao Maruyama, Susumu Ueno | 2004-05-18 |