Masakuni Konja

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus with a device and a method to increase cont...
- Patent number 6,101,361
- Issue date Aug 8, 2000
- Ricoh Co., Ltd.
- Kenji Karashima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder pump and image forming apparatus having the powder pump and...
- Patent number 5,950,055
- Issue date Sep 7, 1999
- Ricoh Company, Ltd.
- Masazumi Yahata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with a device to increase contact area betw...
- Patent number 5,884,134
- Issue date Mar 16, 1999
- Ricoh Co., Ltd.
- Kenji Karashima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus which cleans a transfer belt by applying a...
- Patent number 5,559,590
- Issue date Sep 24, 1996
- Ricoh Company, Ltd.
- Makoto Arai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image transferring device for image forming apparatus
- Patent number 5,552,871
- Issue date Sep 3, 1996
- Ricoh Company, Ltd.
- Akio Kutsuwada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image transferring device for image forming apparatus
- Patent number 5,493,371
- Issue date Feb 20, 1996
- Ricoh Company, Ltd.
- Akio Kutsuwada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY