Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11743078 | Data carrier apparatus, data carrier drive apparatus, data communication system, image forming apparatus and replacement unit for the same | Tsutomu Ishida | 2023-08-29 |
| 11507159 | Verification device and verification target device that operates using operation power supplied from the verification device | Kenjiro Hori | 2022-11-22 |
| 11270172 | Apparatus that operates with unit mounted therein and the unit | Kenjiro Hori | 2022-03-08 |
| 11101972 | Communication apparatus, replacement unit, and image forming apparatus | Ichiro Iijima, Kenjiro Hori | 2021-08-24 |
| 10965451 | Authentication method, authentication device, authentication target device and image forming apparatus | Ichiro Iijima, Kenjiro Hori | 2021-03-30 |
| 10833877 | Method of authenticating authentication-target apparatus by authentication apparatus, authentication apparatus, authentication- target apparatus, and image forming apparatus | Kenjiro Hori, Tsutomu Ishida | 2020-11-10 |
| 10637699 | Data carrier apparatus, data carrier drive apparatus, communication system and replaceable part of image forming apparatus | Ichiro Iijima | 2020-04-28 |
| 10528107 | Verification device and verification target device that operates using operation power supplied from the verification device | Kenjiro Hori | 2020-01-07 |
| 10482358 | Apparatus that operates with unit mounted therein and the unit | Kenjiro Hori | 2019-11-19 |
| 10469243 | Communication apparatus, replacement unit, and image forming apparatus | Ichiro Iijima, Kenjiro Hori | 2019-11-05 |
| 9407439 | Authentication system and authentication code convertor | — | 2016-08-02 |
| 7995643 | Electronic apparatus and unit utilized in electronic system | — | 2011-08-09 |
| 7660996 | Electronic apparatus and unit utilized in electronic system | — | 2010-02-09 |
| 7650499 | Encryption apparatus and decryption apparatus | — | 2010-01-19 |