Shigetaka Fujiwara

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Developing apparatus and picture image forming apparatus
- Patent number 5,860,049
- Issue date Jan 12, 1999
- Hitachi, Ltd.
- Takao Kumasaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Magnetic brush with bristle height equal to developing gap
- Patent number 5,430,528
- Issue date Jul 4, 1995
- Hitachi, Ltd.
- Takao Kumasaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing apparatus and recording apparatus
- Patent number 5,023,464
- Issue date Jun 11, 1991
- Hitachi, Ltd.
- Teruaki Mitsuya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic recording method and apparatus with non-contact...
- Patent number 4,862,828
- Issue date Sep 5, 1989
- Hitachi, Ltd.
- Takao Kumasaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Flash fusing apparatus for reducing occurrence of spots on recordin...
- Patent number 4,821,052
- Issue date Apr 11, 1989
- Hitachi, Ltd.
- Teruaki Mitsuya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY