Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4998872 | Dental centrifugal casting apparatus | Yasuharu Hakamatsuka, Mamoru Aihara, Kazuhiro Watanabe, Kiyozou Koshiishi, Sadao Shigetomi | 1991-03-12 |
| 4405224 | Electrophotographic apparatus having means for removing undesired charge concentrated on an edge portion of a photosensitive member | Muneo Kasuga, Masaji Nishikawa | 1983-09-20 |
| 4320956 | Electrophotographic apparatus including a screen member for decreasing side edge electrostatic charge | Masaji Nishikawa, Muneo Kasuga | 1982-03-23 |