Issued Patents 2018
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10072476 | Poly-L-lactic acid solid-state extrusion molded article, method for producing the same, and use applications of the same | Masayuki Okura, Hiroyuki Sato | 2018-09-11 |
| 10030465 | Solidification- and extrusion-molded article of polyglycolic acid and method for manufacturing same | Masayuki Okura, 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, Hikaru Saijo, Masayuki Okura | 2018-03-27 |
| 9914871 | Ball sealer for hydrocarbon resource recovery, method for manufacturing same, and method for treating borehole using same | Masayuki Okura | 2018-03-13 |
| 9902897 | Degradable fiber for use in well treatment fluid, method for manufacturing same, and well treatment method | Hikaru Saijo, Mizuki SAITO | 2018-02-27 |
| 9879500 | Well treatment method by disintegrating elastic material by contacting seal member for downhole tools comprising elastic material with well treatment fluid | Masayuki Okura, Takuma Kobayashi | 2018-01-30 |