Issued Patents 2005
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6970399 | Thermal power generating timepiece and rear cover for thermal power generating timepiece | Shigeru Watanabe, Yumiko Sakamaki | 2005-11-29 |
| 6953242 | Ink cartridge for printer or the like and ink cartridge positioning and locking mechanism | Masatoshi Yoshiyama, Yoshio Nakagawa, Toyonori Sasaki | 2005-10-11 |
| 6916076 | Image forming device capable of detecting existence of ink and ink cartridge with high accuracy | Masatoshi Yoshiyama, Tetsuya Ouchi, Kazuhiro Hayamizu | 2005-07-12 |
| 6893118 | Ink cartridge, printing apparatus using the ink cartridge, and method for detecting remaining amount of ink using the ink cartridge | Masatoshi Yoshiyama | 2005-05-17 |