Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5945395 | Method for producing nonionic detergent granules | Hiroyuki Yamashita, Koji Toyoda, Masaaki Sakaue, Yasuji Yamada, Teruo Kubota | 1999-08-31 |
| 5736501 | Method for producing nonionic detergent granules | Hiroyuki Yamashita, Koji Toyoda, Masaaki Sakaue, Yasuji Yamada, Teruo Kubota | 1998-04-07 |