Inventor
SHONO TETSUJI
JP53 patents
⚠️ This page may combine multiple inventors who share the name “SHONO TETSUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ASAHI OPTICAL CO LTD
41 patentsUS6366323B1Apr 2, 2002
Digital camera with moveable image pickup device
ASAHI OPTICAL CO LTD147 citations99
US6031998AFeb 29, 2000
Digital camera
ASAHI OPTICAL CO LTD169 citations99
US6067424AMay 23, 2000
Double dial mechanism for a camera
ASAHI OPTICAL CO LTD63 citations96
US6453125B2Sep 17, 2002
Camera having liquid crystal display
ASAHI OPTICAL CO LTD25 citations93
US5848306ADec 8, 1998
Automatic strobe photographing system
ASAHI OPTICAL CO LTD39 citations93
US5570153AOct 29, 1996
Lens mounting structure
ASAHI OPTICAL CO LTD34 citations93
US5245476ASep 14, 1993
Zoom lens barrel
ASAHI OPTICAL CO LTD35 citations93
US6318912B1Nov 20, 2001
Adapter having a tilt and shift mechanism
ASAHI OPTICAL CO LTD35 citations92
US4920368AApr 24, 1990
Built-in flash system
ASAHI OPTICAL CO LTD22 citations82
US3995289ANov 30, 1976
Exchange lens assembly with data photographic system
ASAHI OPTICAL CO LTD21 citations82
US5781811AJul 14, 1998
Shock absorber of mirror in single lens reflex camera
ASAHI OPTICAL CO LTD7 citations74
US5287135AFeb 15, 1994
Built-in flash system
ASAHI OPTICAL CO LTD19 citations74
US5144352ASep 1, 1992
Control apparatrus of focus and shutter of camera
ASAHI OPTICAL CO LTD16 citations74
US4536070AAug 20, 1985
Device for adjusting the focusing detecting mechanism of a single-lens reflex camera
ASAHI OPTICAL CO LTD7 citations74
US4396272AAug 2, 1983
Aperture control mechanism
ASAHI OPTICAL CO LTD9 citations74
US4385820AMay 31, 1983
Mirrorraising motion braking mechanism
ASAHI OPTICAL CO LTD11 citations74
US4384779AMay 24, 1983
Shutter speed change gear supporting mechanism
ASAHI OPTICAL CO LTD7 citations74
US4281913AAug 4, 1981
Camera capable of commonly using standard film and 70 mm
ASAHI OPTICAL CO LTD9 citations74
US4034390AJul 5, 1977
Magnet warning device for focal plane electric shutter camera
ASAHI OPTICAL CO LTD8 citations74
US4003066AJan 11, 1977
Mirror operating arrangement of single lens reflex camera
ASAHI OPTICAL CO LTD7 citations74
US3990085ANov 2, 1976
Measurement mode interlock mechanism in camera TTL light measuring system
ASAHI OPTICAL CO LTD9 citations74
US3967299AJun 29, 1976
Single lens reflex camera with interchangeable view finder having electrical coupling
ASAHI OPTICAL CO LTD9 citations74
US3947862AMar 30, 1976
Exposure multiplication indicating means for automatic exposure setting camera
ASAHI OPTICAL CO LTD10 citations74
US4279489AJul 21, 1981
Interchangeable eye piece-housing
ASAHI OPTICAL CO LTD16 citations73
US4075641AFeb 21, 1978
Automatic exposure control device in a camera
ASAHI OPTICAL CO LTD9 citations73
US3996593ADec 7, 1976
Exposure control device in a camera
ASAHI OPTICAL CO LTD9 citations73
US4171888AOct 23, 1979
Finder optical system for a single lens reflex camera
ASAHI OPTICAL CO LTD12 citations70
US4051503ASep 27, 1977
Exposure display device for a single lens reflex camera
ASAHI OPTICAL CO LTD8 citations70
US6337955B1Jan 8, 2002
SLR camera which can selectively utilize light-sensitive film or an image pick-up device
ASAHI OPTICAL CO LTD4 citations63
US6038409AMar 14, 2000
Viewfinder optical system of thin-type camera
ASAHI OPTICAL CO LTD6 citations63
US5290620AMar 1, 1994
Structure of attaching a member adapted to be adhered to a subject member
ASAHI OPTICAL CO LTD2 citations63
US5126776AJun 30, 1992
Auto-focus camera
ASAHI OPTICAL CO LTD2 citations63
US4382669AMay 10, 1983
Disablement of shutter release in photographic camera having interchangeable objectives
ASAHI OPTICAL CO LTD6 citations63
US4200385AApr 29, 1980
Lens shutter use and non-use switching device of an interchangeable lens having a lens shutter for use with a focal plane single lens reflex camera
ASAHI OPTICAL CO LTD4 citations63
US4196992AApr 8, 1980
Camera film winding and shutter release mechanism
ASAHI OPTICAL CO LTD4 citations63
US3961343AJun 1, 1976
Method and arrangement for manual stop-down mirror-ups of single lens reflex camera
ASAHI OPTICAL CO LTD3 citations63
US4141633AFeb 27, 1979
Exposure control device
ASAHI OPTICAL CO LTD2 citations62
US4135795AJan 23, 1979
Digital indicator device for indicating photographing exposure values in the form of digits
ASAHI OPTICAL CO LTD4 citations62
US4123764AOct 31, 1978
Exposure control device
ASAHI OPTICAL CO LTD5 citations62
US4099188AJul 4, 1978
Automatic exposure control device for single lens reflex camera
ASAHI OPTICAL CO LTD4 citations62
US4067023AJan 3, 1978
Shutter speed digital display device for cameras
ASAHI OPTICAL CO LTD4 citations61
PENTAX CORP
6 patentsUS7006140B2Feb 28, 2006
Digital still camera with shifting focus lens
PENTAX CORP47 citations93
US7064789B1Jun 20, 2006
Digital camera having a tilting/swinging mechanism
PENTAX CORP17 citations84
US6741284B1May 25, 2004
SLR digital still camera
PENTAX CORP18 citations84
US6825882B1Nov 30, 2004
Digital single lens reflex camera
PENTAX CORP11 citations74
US6630959B1Oct 7, 2003
SLR digital still camera
PENTAX CORP10 citations74
US6516156B2Feb 4, 2003
Camera having liquid crystal display
PENTAX CORP3 citations63
HOYA CORP
2 patentsASAHI KOGAKU KK
1 patentShowing the top 50 of 53 patents by PatentIndex Score.