Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10030464 | Member for hydrocarbon resource collection downhole tool | Masayuki Okura, Katsumi Yoshida, Hiroyuki Sato | 2018-07-24 |
| 9926764 | Molded product having effective thickness of 1 mm or more and containing aliphatic polyester resin, and downhole tool member for hydrocarbon resource recovery | Takuma Kobayashi, Masayuki Okura, Takeo Takahashi | 2018-03-27 |
| 9902897 | Degradable fiber for use in well treatment fluid, method for manufacturing same, and well treatment method | Takeo Takahashi, Mizuki SAITO | 2018-02-27 |