Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11315095 | Electronic receipt management system | Kuniyoshi YAMADA, Koichi Sugiyama, Yasuhiro Arai, Tsuyoshi GOTANDA, Takashi Nakajima +1 more | 2022-04-26 |
| 11290803 | Headphone, reproduction control method, and program | Takayuki Mizuuchi, Naoki Watanabe, Taeko Usui | 2022-03-29 |