Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10352450 | Sealing device | Satoshi Yamanaka, Norimasa HOSONUMA, Maiko Kawamoto | 2019-07-16 |
| 10190689 | Seal ring | Yusuke Yoshida, Nozomu Suzuki, Norimasa HOSONUMA, Shigenobu Honda, Kenichi Yoshimura +2 more | 2019-01-29 |