Issued Patents All Time
Showing 26–35 of 35 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 |
| 9063443 | Magnetic carrier and two-component developer | Koh Ishigami, Nozomu Komatsu, Yoshinobu Baba | 2015-06-23 |
| 9058924 | Magnetic carrier and two-component developer | Nozomu Komatsu, Koh Ishigami, Yoshinobu Baba | 2015-06-16 |
| 8986914 | Toner | Hiroyuki Fujikawa, Kunihiko Nakamura, Nozomu Komatsu, Yoshiaki Shiotari, Koh Ishigami +1 more | 2015-03-24 |
| 8974994 | Magnetic carrier, two-component developer, and developer for replenishment | Koh Ishigami, Yoshinobu Baba | 2015-03-10 |
| 8927188 | Method of producing magnetic carrier and magnetic carrier that uses this production method | Takeshi Naka, Masayuki Hama, Koh Ishigami, Yoshinobu Baba, Hiroaki Kawakami +2 more | 2015-01-06 |
| 8921023 | Magnetic carrier and two-component developer | Yoshinobu Baba, Koh Ishigami, Masayuki Hama, Hiroaki Kawakami | 2014-12-30 |
| 8455167 | Toner, binary developer, and image forming method | Yoshiaki Shiotari, Kosuke Fukudome, Nozomu Komatsu, Kunihiko Nakamura, Hiroyuki Fujikawa +3 more | 2013-06-04 |
| 8323726 | Production method of magnetic carrier and magnetic carrier produced therewith | Takeshi Naka, Yoshinobu Baba, Koh Ishigami, Yoshiaki Shiotari | 2012-12-04 |