Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10244309 | Speaker system and electronic device using same | — | 2019-03-26 |
| 10196893 | Inter-tool communication flow control in toolbus system of cable telemetry | Takeaki Nakayama, Yasumasa Fujisawa, Thi Huong Giang Nguyen, Tsubasa Tanaka | 2019-02-05 |