Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11028744 | Exhaust gas purification apparatus for internal combustion engine | Kouseki Sugiyama | 2021-06-08 |
| 11019886 | Button | Hayuru Tanaka, Kota Kanno, Ryohei Nakawatase | 2021-06-01 |
| 11011347 | Plasma processing apparatus | Kengo Kaneko, Katsuyuki Koizumi | 2021-05-18 |
| 10986901 | Snap button | — | 2021-04-27 |
| 10915708 | Verifying the terms of use for access to a service | Taku Aratsu, Tomohiro Shimizu | 2021-02-09 |