Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5943533 | Method and apparatus for forming an electrostatic latent image with toner recovery | Yoshitatsu Okiyama, Kazuyoshi Yoshida, Toru Ishihara, Kuniharu Hayashi, Hiroyuki Yajima +4 more | 1999-08-24 |
| 5765076 | Method and apparatus for forming an electrostatic latent image with toner recovery | Yoshitatsu Okiyama, Kazuyoshi Yoshida, Toru Ishihara, Kuniharu Hayashi, Hiroyuki Yajima +4 more | 1998-06-09 |
| 5740493 | Electrophotographic recording apparatus having reverse-charged toner removing means | Noboru Otaki, Kazuyoshi Yoshida, Yoshitatsu Okiyama, Masato Sakai, Hiroyuki Inoue | 1998-04-14 |
| 5719680 | Color printer and printing method with improved color registration through skeu-correction of misaligned printing heads | Kazuyoshi Yoshida, Hiroyuki Inoue | 1998-02-17 |