Tetsuyuki Tohyama

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Yamanashi-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electromagnetic drive device and light quantity adjustment device u...
- Patent number 6,981,807
- Issue date Jan 3, 2006
- Nisca Corporation
- Hiroaki Naganuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electromagnetic drive device and light quantity adjustment device u...
- Patent number 6,960,848
- Issue date Nov 1, 2005
- Nisca Corporation
- Hiroaki Naganuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Automatic document feeder with position compensating device
- Patent number 5,484,141
- Issue date Jan 16, 1996
- Nisca Corporation
- Masashi Yamashita
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
Electromagnetic drive device and light quantity adjustment device u...
- Publication number 20040222709
- Publication date Nov 11, 2004
- Hiroaki Naganuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electromagnetic drive device and light quantity adjustment device u...
- Publication number 20040223755
- Publication date Nov 11, 2004
- Hiroaki Naganuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY