Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5030253 | Fragrant air supplying method and supplying system | Tomoya Tokuhiro, Hisato Yano, Norihiro Yamaguchi, Hiroaki Watanabe, Shusa Hashimoto | 1991-07-09 |
| 5011632 | Ultrasonic fragrance generation apparatus | Hisato Yano, Shusa Hashimoto | 1991-04-30 |
| 4666605 | Methane fermentation process for treating evaporator condensate from pulp making system | Kiyoshi Minami | 1987-05-19 |