Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11072266 | Vehicle seat | Kazuyoshi Arata | 2021-07-27 |
| 11053749 | Threaded joint for oil well steel pipe | Takamasa Kawai, Taro Kanayama, Masaki Yoshikawa, Takuya Nagahama | 2021-07-06 |
| 10906440 | Vehicle seat | — | 2021-02-02 |
| 10900595 | Threaded joint for oil well tubing | Takamasa Kawai, Taro Kanayama, Masaki Yoshikawa, Haruhiko Seki, Masateru Ueta +1 more | 2021-01-26 |