Masao Fukushima

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Patents Grantslast 30 patents

Information Patent Grant
Toner development device with improved scraper
- Patent number 4,731,632
- Issue date Mar 15, 1988
- Dainippon Screen Mfg. Co., Ltd.
- Masao Fukushima
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Fixing apparatus
- Patent number 4,668,073
- Issue date May 26, 1987
- Dainippon Screen Mfg. Co., Ltd.
- Yukio Hatabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Liquid developing apparatus for use in electrophotographic copying...
- Patent number 4,664,502
- Issue date May 12, 1987
- Dainippon Screen Mfg. Co., Ltd.
- Masao Fukushima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and apparatus for electrophotographically reproducing a desi...
- Patent number 4,641,951
- Issue date Feb 10, 1987
- Dainippon Screen Mfg. Co., Ltd.
- Tsuneo Takagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Liquid developing apparatus
- Patent number 4,576,467
- Issue date Mar 18, 1986
- Dainippon Screen Mfg. Co., Ltd.
- Masahiro Yamasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY