Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9835969 | Image forming apparatus having a plurality of selectively charged photosensitive bodies and controlling method for same | Masahito Hamaya, Hiroki Katoh | 2017-12-05 |
| 9683118 | Oil-based pigment ink composition and oil-based pigment ink writing tool | Hidetoshi Fukuo, Ryotaro Kaba | 2017-06-20 |