Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D874564 | Toner cartridge | Hisatoshi Saito, Masayuki Suzuki, Junichi Ito | 2020-02-04 |
| D874565 | Toner cartridge | Hisatoshi Saito, Masayuki Suzuki, Junichi Ito | 2020-02-04 |
| D874563 | Image drum cartridge | Masayuki Suzuki, Junichi Ito, Hisatoshi Saito | 2020-02-04 |
| D863418 | Toner cartridge | Hisatoshi Saito, Masayuki Suzuki, Junichi Ito | 2019-10-15 |
| 9834357 | Packing device | — | 2017-12-05 |
| 8039409 | TiO2-containing silica glass for optical member for EUV lithography | Kenta Saitou, Akio Koike | 2011-10-18 |
| 7585800 | Silica glass and optical material | Akira Takada, Hideaki Hayashi, Naoki Sugimoto, Shinya Kikugawa | 2009-09-08 |