Inventor · disambiguated record
Norifumi Nakagawa
Also filed as: NAKAGAWA NORIFUMI
10 granted patents·1 pending application·180 citations·filing 1986–2010
90Inventor score
Top patents by PatentIndex Score
11 records- 0197US5774747AMethod and apparatus for controlling exposure of cameraFUJI PHOTO FILM CO LTD·Filed 1997·Granted Jun 30, 1998·114 cites·6 claims
- 0282US7600876B2Optical angle detection apparatusNIDEC COPAL CORP·Filed 2006·Granted Oct 13, 2009·8 cites·4 claims
- 0381US6389232B2Method and apparatus for controlling exposure of cameraFUJI PHOTO FILM CO LTD·Filed 2001·Granted May 14, 2002·12 cites·1 claims
- 0479US5678098AMethod and apparatus for controlling exposure of cameraFUJI PHOTO FILM CO LTD·Filed 1995·Granted Oct 14, 1997·12 cites·8 claims
- 0570US8348502B2Lighting apparatusNIKON CORP·Filed 2010·Granted Jan 8, 2013·2 cites·11 claims
- 0670US6496651B2Method and apparatus for controlling exposure of cameraFUJI PHOTO FILM CO LTD·Filed 2002·Granted Dec 17, 2002·6 cites·12 claims
- 0770US6275659B1Method and apparatus for controlling exposure of cameraFUJI PHOTO FILM CO LTD·Filed 1998·Granted Aug 14, 2001·7 cites·6 claims
- 0865US4835564AAperture control apparatus of programming shutterCOPAL CO LTD·Filed 1987·Granted May 30, 1989·10 cites·6 claims
- 0941US4918479ACameraMINOLTA CAMERA KK·Filed 1989·Granted Apr 17, 1990·8 cites·14 claims
- 1035US2003090579A1Mobile information terminal device and camera unitFiled 2002·Application pending·0 cites
- 1132US4717929ACamera auto sensing system for ISO speedCOPAL CO LTD·Filed 1986·Granted Jan 5, 1988·1 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →