Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D462712 | Toner cartridge | Takahiko Kimura, Hiroshi Kubota, Yoshinori Otsuka, Yoshiki Ichikawa, Yasuyuki Ishiguro | 2002-09-10 |
| D451127 | Toner cartridge | Hiroshi Kubota, Yoshinori Otsuka, Yoshiki Ichikawa, Hiroshige Araki, Fumito Mizoguchi | 2001-11-27 |
| 5913722 | Clean robot | Masazumi Fukushima | 1999-06-22 |