Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9811019 | Magnetic carrier and two-component developer | Nozomu Komatsu, Koh Ishigami, Yoshinobu Baba | 2017-11-07 |
| 9665023 | Toner and two-component developer | Ryuichiro Matsuo, Koh Ishigami, Masaharu Miura, Masayuki Hama, Hiroaki Kawakami | 2017-05-30 |