Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10385952 | Rotating cylinder device | Chikashi Tsuchiya | 2019-08-20 |
| 10165344 | Headphone | Takayuki Karasawa, Tomoya Takahashi | 2018-12-25 |
| 10165351 | Headphone | Takayuki Karasawa, Tomoya Takahashi | 2018-12-25 |
| 10080076 | Headphone device | Takayuki Karasawa, Tomoya Takahashi, Masahiro Koike | 2018-09-18 |
| D802139 | Blood pressure measuring apparatus | Chikashi Tsuchiya, I-Jen Lai | 2017-11-07 |
| 5805440 | Power supply unit for electronic device | Yoshihiro Maeshima | 1998-09-08 |