Masakuni Ohta

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Flash apparatus and auxiliary battery apparatus
- Patent number 6,804,461
- Issue date Oct 12, 2004
- Nikon Corporation
- Nobuyoshi Hagiuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Device and camera accessory mounted on accessory shoe
- Patent number 6,546,204
- Issue date Apr 8, 2003
- Nikon Corporation
- Nobuyoshi Hagiuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Variable illuminating angle mechanism for a flash unit
- Patent number 5,878,291
- Issue date Mar 2, 1999
- Nikon Corporation
- Nobuyoshi Hagiuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Camera accessory mounting and fixing device
- Patent number 5,630,183
- Issue date May 13, 1997
- Nikon Corporation
- Nobuyoshi Hagiuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
FLASH APPARATUS AND AUXILIARY BATTERY APPARATUS
- Publication number 20040190889
- Publication date Sep 30, 2004
- Nikon Corporation
- Nobuyoshi Hagiuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Device and camera accessory mounted on accessory shoe
- Publication number 20020168185
- Publication date Nov 14, 2002
- Nikon Corporation
- Nobuyoshi Hagiuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY