Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11344233 | Hemoglobin quantification device, hemoglobin quantification method, hemoglobin quantification program, and surgical assistance device | Tetsuo Ikeda, Hajime Nagahara, Eiji Oki, Ryosuke Tsutsumi | 2022-05-31 |
| 6125257 | Methods and systems for cleaning residual toner from image developing device | Takeyoshi Sekine, Hiroshi Yamasita, Hiroyuki Fushimi, Kouta Fujimdri, Yasunori Kawaishi +1 more | 2000-09-26 |
| 5761594 | Image forming apparatus | Mitsuru Seto, Shigeru Fukuda, Yasuo Hirano, Jun Aoto, Masahide Yamashita +2 more | 1998-06-02 |
| 5648842 | Methods and systems for cleaning residual toner from image-developing device | Takeyoshi Sekine, Hiroshi Yamasita, Hiroyuki Fushimi, Kouta Fujimdri, Yasunori Kawaishi +1 more | 1997-07-15 |
| 5278613 | Image forming apparatus with transfer medium and electrometer positioned opposite the transfer region | Takashi Bisaiji, Yasunori Kawaishi | 1994-01-11 |
| 5160969 | Image forming apparatus having a separate black developer stored for a color image | Kenichi Mizuma, Hideya Furuta, Nobuo Kasahara, Noriyuki Kimura, Shinju Nagatsuna +6 more | 1992-11-03 |