Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10291779 | Call center system and computer accessible medium storing a program for a call center | Hidekazu Kubota | 2019-05-14 |
| 9930565 | Controlling apparatus for communication-quality measuring, communication apparatus, and program | Hidekazu Kubota | 2018-03-27 |
| 4655045 | Cryogenic vessel for a superconducting apparatus | Takahiro Matsumoto, Tetsuo Nishio, Hisashi Oota | 1987-04-07 |