Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9801802 | Viscous composition | Akira Isogai, Hideyuki Sumi | 2017-10-31 |
| 9803128 | Additive for drilling mud | Mineo Sabi, Kazuhito Jinno, Koji Noda | 2017-10-31 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9801802 | Viscous composition | Akira Isogai, Hideyuki Sumi | 2017-10-31 |
| 9803128 | Additive for drilling mud | Mineo Sabi, Kazuhito Jinno, Koji Noda | 2017-10-31 |