Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10562984 | Crude oil recovery additive | Yousuke Goi, Mineo Sabi, Koji Noda | 2020-02-18 |
| 9803128 | Additive for drilling mud | Yousuke Goi, Mineo Sabi, Koji Noda | 2017-10-31 |
| 5041467 | Method for production of particulate polymers | Hironori Kataoka, Tokiko Yamashita | 1991-08-20 |