Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10854114 | Cyphertext management method, cyphertext management apparatus, and program | — | 2020-12-01 |
| 10693276 | Optical transmitter | Eitetsu Igawa, Satoshi ISHITOBI | 2020-06-23 |
| 10534147 | Optical transceiver | Naoto Himura, Shinya Nishi, Masatoshi Katayama | 2020-01-14 |