Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9547272 | Cleaning blade and cleaning device | Shingo Ito, Kenji Karashima, Masaya Kawada, Masahiro Watabe | 2017-01-17 |
| 9170556 | Cleaning blade, method for manufacturing cleaning blade, process cartridge, and electrophotographic apparatus | Kenji Karashima, Masaya Kawada, Masahiro Watabe, Shingo Ito | 2015-10-27 |
| 9037069 | Method for producing cleaning blade | Masahiro Watabe, Masaya Kawada | 2015-05-19 |
| 9026027 | Cleaning blade, process cartridge, electrophotographic apparatus, and polyester urethane rubber | Masahiro Watabe, Masaya Kawada | 2015-05-05 |