Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11803342 | Image information transmission method, information communication terminal, and image forming system for determining when operator in site where image forming apparatus being installed | — | 2023-10-31 |
| 10527995 | Image forming apparatus having abnormality detection unit for humidity sensor | — | 2020-01-07 |
| 9195194 | Image forming apparatus with cover for maintenance of interior thereof, and opening/closure detecting method | — | 2015-11-24 |
| 9170538 | Electronic device | — | 2015-10-27 |
| 7103296 | Image forming apparatus with function of sorting plurality of sheaves of original paper | Tadahiro Kiyosumi, Masaki Tsuchiya, Izumi Kadobayashi, Masaki Kato, Norihisa Yamashita | 2006-09-05 |
| 6954599 | Image forming apparatus with function of sorting plurality of sheaves of original paper | Tadahiro Kiyosumi, Masaki Tsuchiya, Izumi Kadobayashi, Masaki Kato, Norihisa Yamashita | 2005-10-11 |
| 4780567 | Process for producing aromatic hydroxycarboxylic acids | Ryuzo Ueno, Toshiharu Kanagae | 1988-10-25 |
| 4633024 | Process for producing aromatic hydroxy compound | Ryuzo Ueno, Kazuyuki Sakota, Yoshiyuki Naito | 1986-12-30 |