Inventor
HATA YUKITSUGU
JP23 patents
⚠️ This page may combine multiple inventors who share the name “HATA YUKITSUGU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJI PHOTO FILM CO LTD
21 patentsUS5995768ANov 30, 1999
Lens-fitted photo film unit and data recording method therefor
FUJI PHOTO FILM CO LTD24 citations92
US5819126AOct 6, 1998
Lens-fitted photo film unit and data recording method therefor
FUJI PHOTO FILM CO LTD42 citations92
US5784658AJul 21, 1998
Optical data recording device of camera and lens-fitted photographic film unit
FUJI PHOTO FILM CO LTD24 citations92
US6044227AMar 28, 2000
Lens-fitted photo film unit and electronic flash device for use therewith
FUJI PHOTO FILM CO LTD16 citations84
US5752084AMay 12, 1998
Lens-fitted photo film unit and electronic flash device for use therewith
FUJI PHOTO FILM CO LTD15 citations82
US6404990B2Jun 11, 2002
Flash unit
FUJI PHOTO FILM CO LTD6 citations73
US6345156B1Feb 5, 2002
Flash unit
FUJI PHOTO FILM CO LTD7 citations73
US6091906AJul 18, 2000
Flash device
FUJI PHOTO FILM CO LTD10 citations73
US5966552AOct 12, 1999
Flash circuit
FUJI PHOTO FILM CO LTD9 citations73
US5854946ADec 29, 1998
Lens-fitted photo film unit and electronic flash device for use therewith
FUJI PHOTO FILM CO LTD5 citations73
US5291562AMar 1, 1994
Image signal processing apparatus producing a narrowed pulse width modulated signal using an asymmetrically centered triangle reference waveform
FUJI PHOTO FILM CO LTD8 citations73
US6724987B2Apr 20, 2004
Lens-fitted photo film unit with electronic flash device
FUJI PHOTO FILM CO LTD2 citations62
US6363222B2Mar 26, 2002
Automatic exposure control device for a camera
FUJI PHOTO FILM CO LTD4 citations62
US6345151B1Feb 5, 2002
Lens-fitted film unit with IC memory and method of writing data in IC memory
FUJI PHOTO FILM CO LTD2 citations62
US6314239B1Nov 6, 2001
Device for preventing unauthorized recycling of lens-fitted photo film unit
FUJI PHOTO FILM CO LTD5 citations62
US6236812B1May 22, 2001
Lens-fitted photo film unit having IC
FUJI PHOTO FILM CO LTD1 citations62
US6091898AJul 18, 2000
Lens-fitted photo film unit having IC
FUJI PHOTO FILM CO LTD1 citations62
US5875357AFeb 23, 1999
Lens-fitted photo film unit and electronic flash device for use therewith
FUJI PHOTO FILM CO LTD4 citations62
US6317566B1Nov 13, 2001
Electronic flash device for photographic camera
FUJI PHOTO FILM CO LTD6 citations56
US6411779B1Jun 25, 2002
Lens-fitted photo film unit having IC
FUJI PHOTO FILM CO LTD0 citations52
US6229958B1May 8, 2001
Lens-fitted photo film unit having IC
FUJI PHOTO FILM CO LTD0 citations52