Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8348244 | Carburetor valve adjustment limiter | Hidenori Sasaki, Masashi Sasaki, Hitoshi Terakado | 2013-01-08 |
| 8165505 | Developer cartridge adapted to restrict leakage of developer | — | 2012-04-24 |
| 8138421 | Flat cable | Hiroshi Takamatsu | 2012-03-20 |
| D546873 | Toner cartridge | Shinichi Otani, Tetsu Koyama, Masayuki Suzuki, Atsushi Kobayashi, Yasushi Nakasone +2 more | 2007-07-17 |
| D529076 | Image drum cartridge | Atsushi Kobayashi, Shigenori Koido, Masayuki Suzuki, Yasushi Nakasone, Tetsu Koyama +2 more | 2006-09-26 |
| 6896245 | Stratified scavenging carburetor | Masao Suzuki, Hiroshi Nagata | 2005-05-24 |
| 5412490 | Printer provided with an image reading unit | Hiromi Miyashita, Shigemi Hagiwara, Naoki Sunaga | 1995-05-02 |
| 4676191 | Development device | Mikio Yamamoto | 1987-06-30 |
| 4618250 | Photosensitive drum cleaning device in electrophotographic recording system | Matsusaburo Noguchi, Mikio Yamamoto | 1986-10-21 |