Masami Ishikawa

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Katsuta, JP

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Patents Grantslast 30 patents

Information Patent Grant
Image forming method and image forming apparatus
- Patent number 7,090,956
- Issue date Aug 15, 2006
- Ricoh Printing Systems, Ltd.
- Katsuhiko Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Device for measuring surface potentials at photosensitive body and...
- Patent number 5,182,596
- Issue date Jan 26, 1993
- Hitachi Koki Co., Ltd.
- Takashi Nakazawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Double beam scan type optical apparatus
- Patent number 5,140,157
- Issue date Aug 18, 1992
- Hitachi Koki Co., Ltd.
- Minoru Ohshima
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Printing magnet drive device
- Patent number 4,254,705
- Issue date Mar 10, 1981
- Hitachi Koki Company Limited
- Masami Ishikawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
Image forming method and image forming apparatus
- Publication number 20020127488
- Publication date Sep 12, 2002
- Katsuhiko Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY