Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10319121 | Acoustic performance calculation device, acoustic performance calculation method, and acoustic performance calculation program | — | 2019-06-11 |
| 4868355 | Steering wheel segmented slip ring and contact pin assembly | Shuji Inui, Chikahisa Hayashi, Mitsuhiro Kikuta, Satoshi Ono, Makoto Kawai +2 more | 1989-09-19 |