Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11474015 | Viscosity measurement unit and viscometer | Hideyuki Amamiya, Yoshinori Nakashima, Toshio Kasai | 2022-10-18 |
| D906143 | Salinometer, saccharimeter and pH meter | Hideyuki Amamiya | 2020-12-29 |
| D851523 | Viscometer | Hideyuki Amamiya, Yoshinori Nakashima | 2019-06-18 |
| 9325157 | Discharge electrode and neutralization device | — | 2016-04-26 |