Inventor
NAKAMURA AKIYOSHI
JP33 patents
⚠️ This page may combine multiple inventors who share the name “NAKAMURA AKIYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MINOLTA CAMERA KK
23 patentsUS4602861AJul 29, 1986
Auto-focusing system
MINOLTA CAMERA KK65 citations96
US4728980AMar 1, 1988
Automatic focusing device and automatic exposure control device
MINOLTA CAMERA KK29 citations92
US4124276ANov 7, 1978
Soft focus lens system
MINOLTA CAMERA KK36 citations91
US4013347AMar 22, 1977
Movable filter optical system for providing improved optical transmission characteristics
MINOLTA CAMERA KK20 citations82
US5249012ASep 28, 1993
Auto-focusing system for cameras with in interchangeable objective lens
MINOLTA CAMERA KK9 citations74
US5130734AJul 14, 1992
Data input/output device for a camera
MINOLTA CAMERA KK8 citations74
US4837594AJun 6, 1989
Automatic focusing device and automatic exposure control device
MINOLTA CAMERA KK7 citations74
US4759619AJul 26, 1988
Inverted telephoto type wide angle lens system with a rear focusing unit
MINOLTA CAMERA KK10 citations74
US4610514ASep 9, 1986
Telephoto lens system
MINOLTA CAMERA KK17 citations74
US4561748ADec 31, 1985
Focus detection device
MINOLTA CAMERA KK13 citations74
US4449793AMay 22, 1984
Inverted telephoto type wide angle lens system
MINOLTA CAMERA KK14 citations74
US4431273AFeb 14, 1984
Inverted telephoto type wide angle lens system
MINOLTA CAMERA KK13 citations74
US4211472AJul 8, 1980
Wide angle objective lens system
MINOLTA CAMERA KK11 citations74
US4165916AAug 28, 1979
Objective lens system with close object focusing aberration correction
MINOLTA CAMERA KK14 citations74
US3981563ASep 21, 1976
Retrofocus wide angle lens system
MINOLTA CAMERA KK9 citations74
US4346966AAug 31, 1982
Compact lens system operable in different mediums
MINOLTA CAMERA KK11 citations73
US4447135AMay 8, 1984
Zoom lens system
MINOLTA CAMERA KK6 citations63
US4382662AMay 10, 1983
Inverted telephoto type wide angle lens system
MINOLTA CAMERA KK2 citations63
US4214814AJul 29, 1980
Variable soft focus lens system
MINOLTA CAMERA KK4 citations62
US3973832AAug 10, 1976
Retro-focus type wide angle lens system
MINOLTA CAMERA KK5 citations61
US4286847ASep 1, 1981
Lightweight inverted telephoto type wide angle lens system
MINOLTA CAMERA KK1 citations52
US4258985AMar 31, 1981
Inverted telephoto type wide angle lens system
MINOLTA CAMERA KK1 citations52
US4174886ANov 20, 1979
Inverted telephoto lens system
MINOLTA CAMERA KK0 citations52
SEIKO EPSON CORP
5 patentsUS6501429B2Dec 31, 2002
Portable information processing apparatus
SEIKO EPSON CORP68 citations95
US5768608AJun 16, 1998
Data processing apparatus and method for making same
SEIKO EPSON CORP33 citations92
US5758108AMay 26, 1998
Data processing apparatus for variable bus width CPU
SEIKO EPSON CORP27 citations92
US6453232B1Sep 17, 2002
Information provision system, current-position-measurement system, and method therefor
SEIKO EPSON CORP5 citations74
US6571170B2May 27, 2003
Information provision system, current-position-measurement system, and method therefor
SEIKO EPSON CORP4 citations63