Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10876611 | Lock-up device and torque converter | Hiroshi Asai, Seiji Saiga, Shogo Enya, Katsuhiro Shimizu | 2020-12-29 |
| 10723661 | Drying shrinkage reduction method of cement-based hardened body | Shinichi Takemoto, Yoshikatsu Sasaki | 2020-07-28 |