Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6475421 | Method of manufacturing a regulating blade featuring a curved supporting layer | Kentaro Niwano, Masahiro Watabe | 2002-11-05 |
| 6393243 | Developing roller and developing device using the same | Hidenori Satoh, Kentaro Niwano, Arihiro Yamamoto | 2002-05-21 |
| 6176565 | Cleaning member for ink jet head and ink jet apparatus provided with said cleaning member | Masahiro Watabe, Hiroshi Tajika, Atsushi Arai, Haruo Uchida, Kiyoshi Kuramochi | 2001-01-23 |
| 5729258 | Cleaning member used for an ink-jet recording apparatus and the ink-jet recording apparatus using the aforesaid cleaning member | Masahiro Watabe | 1998-03-17 |
| 5713120 | Method of manufacturing a blade for regulating the thickness of a developing agent | Masahiro Watabe, Kentaro Niwano | 1998-02-03 |
| 5689783 | Elastic blade and developing device using the same | Hiroshi Sasame, Toru Ishigaki, Tetsuya Kobayashi, Naoki Enomoto, Yoshiro Saito +1 more | 1997-11-18 |
| 5587776 | Member comprising a polyurethane rubber composition containing an amino catalyst for regulating quantity of developer and developing unit using the same | Masahiro Watabe, Kentaro Niwano, Arihiro Yamamoto | 1996-12-24 |
| 5450184 | Cleaning blade for electrophotography, cleaning device for electrophotography, apparatus unit, electrophotographic apparatus and facsimile apparatus | Masahiro Watabe | 1995-09-12 |
| 5353104 | Defining member for defining thickness of one-component developer and developing device equipped with it | Junichi Kato, Masaharu Ohkubo, Masahiro Watabe, Masaki Ojima, Hiroshi Sato | 1994-10-04 |
| 5260756 | Cleaning blade for electrophotography | Masahiro Watabe | 1993-11-09 |
| 5162858 | Cleaning blade and apparatus employing the same | Takeo Shoji, Hiroshi Sasame, Hiroyuki Adachi, Masahiro Watabe | 1992-11-10 |
| 5145724 | Method of making a cleaning blade coated with graphite fluoride | Masahiro Watabe | 1992-09-08 |
| 5080976 | Blade and method for preparation thereof | Masahiro Watabe | 1992-01-14 |