Inventor
YAMADA SEIJI
JP94 patents
⚠️ This page may combine multiple inventors who share the name “YAMADA SEIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MINOLTA CAMERA KK
14 patentsUS4182573AJan 8, 1980
Exposure meter
MINOLTA CAMERA KK30 citations92
US3967056AJun 29, 1976
Automatic focusing apparatus
MINOLTA CAMERA KK72 citations91
US4309090AJan 5, 1982
Exposure indicating device
MINOLTA CAMERA KK18 citations82
US4212000AJul 8, 1980
Position-to-digital encoder
MINOLTA CAMERA KK23 citations82
US4214827AJul 29, 1980
Automatic focus control camera
MINOLTA CAMERA KK20 citations81
US4176955ADec 4, 1979
Exposure meter
MINOLTA CAMERA KK30 citations81
US3950765AApr 13, 1976
Exposure control devices for photographic cameras
MINOLTA CAMERA KK20 citations81
US4361390ANov 30, 1982
Focus condition indicating system for use in a camera
MINOLTA CAMERA KK10 citations74
US4344681AAug 17, 1982
Selection and setting device for camera exposure control
MINOLTA CAMERA KK18 citations74
US4284341AAug 18, 1981
Exposure control system for single lens reflex cameras
MINOLTA CAMERA KK7 citations74
US4174160ANov 13, 1979
Programmed automatic exposure control circuitry
MINOLTA CAMERA KK7 citations74
US4072961AFeb 7, 1978
Light measuring circuit for automatic exposure control
MINOLTA CAMERA KK11 citations74
US3995284ANov 30, 1976
Automatic exposure time control circuit
MINOLTA CAMERA KK12 citations74
US4235544ANov 25, 1980
Data imprinting lamp control circuit
MINOLTA CAMERA KK18 citations73
TOSHIBA KK
11 patentsUS6222773B1Apr 24, 2001
Nonvolatile semiconductor memory in which the number of programming or erasing bits increases with the progress of programming or erasing
TOSHIBA KK48 citations95
US5586073ADec 17, 1996
Semiconductor device having a multi-layer channel structure
TOSHIBA KK83 citations95
US6256227B1Jul 3, 2001
Non-volatile semiconductor memory having column sub-selector layout pattern adaptable to miniaturization of memory cell
TOSHIBA KK21 citations93
US6441427B1Aug 27, 2002
NOR-type flash memory and method for manufacturing the same
TOSHIBA KK21 citations92
US5068827ANov 26, 1991
Method of applying a program voltage for a non-volatile semiconductor memory and apparatus for implementing the same
TOSHIBA KK44 citations92
US5452248ASep 19, 1995
Method of operating a nonvolatile semiconductor memory device
TOSHIBA KK24 citations91
US5754558AMay 19, 1998
Method and apparatus for screening a nonvolatile semiconductor memory device
TOSHIBA KK17 citations84
US5432109AJul 11, 1995
Device method for manufacturing a semiconductor memory
TOSHIBA KK7 citations74
US5422843AJun 6, 1995
Method of erasing information in memory cells
TOSHIBA KK15 citations74
US5208173AMay 4, 1993
Method of manufacturing non-volatile semiconductor memory device
TOSHIBA KK11 citations74
US6118697ASep 12, 2000
Nonvolatile semiconductor memory in which the number of programming or erasing bits increases with the progress of programming or erasing
TOSHIBA KK7 citations73
ISHIDA SCALE MFG CO LTD
8 patentsUS4708215ANov 24, 1987
Automatic weighing system
ISHIDA SCALE MFG CO LTD68 citations96
US4705125ANov 10, 1987
Method of and apparatus for controlling hopper gate motion
ISHIDA SCALE MFG CO LTD36 citations92
US5084832AJan 28, 1992
Input device for combinational weighing system
ISHIDA SCALE MFG CO LTD30 citations91
US4811256AMar 7, 1989
Input-output method and device for combinational weighing system
ISHIDA SCALE MFG CO LTD23 citations81
US4733363AMar 22, 1988
Control system for combinatorial weighing or counting apparatus
ISHIDA SCALE MFG CO LTD21 citations81
US4694920ASep 22, 1987
Combination weighing system and method
ISHIDA SCALE MFG CO LTD23 citations81
US4853881AAug 1, 1989
Combinatorial weighing system
ISHIDA SCALE MFG CO LTD13 citations74
US4535855AAug 20, 1985
Article discharge apparatus and method in automatic weighing system
ISHIDA SCALE MFG CO LTD8 citations73
SONY CORP
4 patentsUS10021331B2Jul 10, 2018
Comparator, AD converter, solid-state imaging device, electronic apparatus, and method of controlling comparator
SONY CORP18 citations94
US10944932B2Mar 9, 2021
Comparator, AD converter, solid-state imaging device, electronic apparatus, and method of controlling comparator
SONY CORP4 citations84
US10348992B2Jul 9, 2019
Comparator, ad converter, solid-state imaging device, electronic apparatus, and method of controlling comparator
SONY CORP8 citations84
US11394912B2Jul 19, 2022
Comparator, AD converter, solid-state imaging device, electronic apparatus, and method of controlling comparator
SONY CORP1 citations73
CHUO HATSUJO KK
3 patentsBRIDGESTONE CORP
2 patentsTOYOTA MOTOR CO LTD
2 patentsCHUOUHATSUJO KABUSHIKI KAISHA
1 patentKYOCERA CORP
1 patentTOPY IND
1 patentNORITAKE CO LTD
1 patentSUMITOMO CHEMICAL CO
1 patentDAINIPPON TORYO KK
1 patentShowing the top 50 of 94 patents by PatentIndex Score.