Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10948619 | Acoustic transducer | Yoshino Matsumoto | 2021-03-16 |
| 10281607 | Downhole caliper using multiple acoustic transducers | Hiroshi Hori, Yoshino Matsumoto, Kojiro Nishimiya, Jean-Christophe Auchere | 2019-05-07 |