Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D484538 | Ball-point pen | Akiko Daida | 2003-12-30 |
| 6658219 | Method, device, system and recording medium for detecting improper cartridge, and cartridge | Kazuo Okoyama, Takeshi Watanabe | 2003-12-02 |
| 6654567 | Process cartridge detachable from electrophotographic image forming apparatus having wireless communication | Toshiyuki Karakama, Kazushi Watanabe | 2003-11-25 |
| 6545737 | Flat panel display device and manufacturing method thereof | Tatsuya Hasegawa, Masaichi Ohkubo, Sanae Tokunaga | 2003-04-08 |
| 6526323 | Decentralized supervisory control system | Yasuyuki Miyajima, Yukihiko Tomizawa, Tsuyoshi Kaneko, Akira Hirahara, Hiroshi Nakatani +1 more | 2003-02-25 |