Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11474015 | Viscosity measurement unit and viscometer | Hideyuki Amamiya, Keiji Kawada, Toshio Kasai | 2022-10-18 |
| D851523 | Viscometer | Hideyuki Amamiya, Keiji Kawada | 2019-06-18 |
| D796362 | Viscometer | Hideyuki Amamiya, Junji Higuchi | 2017-09-05 |
| 8977802 | Access device, information recording device, controller, real time information recording system, access method, and program | Takuji Maeda, Masayuki Toyama, Hirokazu So, Katsumi Watanabe, Masafumi Nosaka | 2015-03-10 |
| 7916285 | Refractometer | Hideyuki Amamiya, Kiminori Sekiguchi, Junichi Matsumoto, Yoshiaki Torigoe | 2011-03-29 |