Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10562984 | Crude oil recovery additive | Mineo Sabi, Kazuhito Jinno, Koji Noda | 2020-02-18 |
| 9901527 | Viscous composition | Akira Isogai, Hideyuki Sumi | 2018-02-27 |
| 9801802 | Viscous composition | Akira Isogai, Hideyuki Sumi | 2017-10-31 |
| 9803128 | Additive for drilling mud | Mineo Sabi, Kazuhito Jinno, Koji Noda | 2017-10-31 |
| 9248090 | Viscous composition | Akira Isogai, Hideyuki Sumi | 2016-02-02 |