Inventor
TAKEUCHI KOICHI
JP57 patents
⚠️ This page may combine multiple inventors who share the name “TAKEUCHI KOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI ELECTRIC CORP
11 patentsUS7478415B1Jan 13, 2009
Digital broadcast receiving system
MITSUBISHI ELECTRIC CORP12 citations84
US5107483AApr 21, 1992
Frequency selective optical data record/regenerate apparatus
MITSUBISHI ELECTRIC CORP20 citations82
US5172364ADec 15, 1992
Magneto-optic recording apparatus with controlled magnetic field generation
MITSUBISHI ELECTRIC CORP13 citations74
US5528565AJun 18, 1996
Magneto-optic recording system
MITSUBISHI ELECTRIC CORP10 citations72
US5481508AJan 2, 1996
Magneto-optic recording medium method of manufacturing the same and magneto-optic recording system
MITSUBISHI ELECTRIC CORP14 citations72
US5272684ADec 21, 1993
Information recording method and information recording apparatus for magneto-optic recording information medium
MITSUBISHI ELECTRIC CORP7 citations72
US7181755B2Feb 20, 2007
Digital broadcasting system and digital broadcasting station and digital broadcasting receiver
MITSUBISHI ELECTRIC CORP4 citations63
US5369628ANov 29, 1994
Magneto-optic recording medium, magneto-optic recording system and magneto-optic recording method
MITSUBISHI ELECTRIC CORP6 citations63
US5197048AMar 23, 1993
Magneto-optic recording medium, magneto-optic recording system and magneto-optic recording method
MITSUBISHI ELECTRIC CORP2 citations63
US5148415ASep 15, 1992
Magneto-optical disc apparatus having head-disc distance control
MITSUBISHI ELECTRIC CORP6 citations63
US4310736AJan 12, 1982
Vacuum circuit interrupter
MITSUBISHI ELECTRIC CORP5 citations62
SONY CORP
7 patentsUS6074787AJun 13, 2000
Method of making mask pattern utilizing auxiliary pattern forbidden region
SONY CORP56 citations96
US7019780B1Mar 28, 2006
Stereoscopic zoom lens with shutter arranged between first and second lens groups
SONY CORP79 citations95
US7215809B2May 8, 2007
Three-dimensional image producing method and apparatus therefor
SONY CORP38 citations93
US4510538AApr 9, 1985
Magnetic recording apparatus
SONY CORP44 citations93
US5486141AJan 23, 1996
Amusement machine and recording medium for use in the same
SONY CORP53 citations92
US4609947ASep 2, 1986
Video signal recording apparatus
SONY CORP35 citations92
US6812133B2Nov 2, 2004
Fabrication method of semiconductor device
SONY CORP15 citations84
TOYOTA MOTOR CO LTD
6 patentsUS6109024AAug 29, 2000
Exhaust gas purification device for an internal combustion engine
TOYOTA MOTOR CO LTD201 citations99
US5974793ANov 2, 1999
Exhaust gas purification device for an internal combustion engine
TOYOTA MOTOR CO LTD166 citations99
US5964088AOct 12, 1999
Device for purifying exhaust gas of engine
TOYOTA MOTOR CO LTD114 citations98
US5979157ANov 9, 1999
Method and a device for purifying exhaust gas of an internal combustion engine
TOYOTA MOTOR CO LTD51 citations93
US6253743B1Jul 3, 2001
Fuel vapor control apparatus
TOYOTA MOTOR CO LTD20 citations92
US7489994B2Feb 10, 2009
Control system for movable body
TOYOTA MOTOR CO LTD16 citations84
MITSUI TOATSU CHEMICALS
4 patentsUS4978754ADec 18, 1990
Preparation process of unsaturated carboxylic acid amide
MITSUI TOATSU CHEMICALS34 citations87
US4592773AJun 3, 1986
Substituted propargyloxyacetonitrile derivatives, process for production thereof, and herbicide and agricultural-horticultural fungicide comprising said derivatives as active ingredients
MITSUI TOATSU CHEMICALS22 citations80
US4307029ADec 22, 1981
Process for preparing polymethylene-polyphenyl polyisocyanates
MITSUI TOATSU CHEMICALS7 citations73
US4381405AApr 26, 1983
Process for the preparation of polymethylene polyphenyl polyisocyanate composition
MITSUI TOATSU CHEMICALS5 citations62
CANON KK
4 patentsUS11334759B2May 17, 2022
Information processing apparatus, information processing method, and medium
CANON KK2 citations72
US12424015B2Sep 23, 2025
Image processing apparatus and method for recognizing state of subject
CANON KK0 citations63
US11546502B2Jan 3, 2023
Image processing apparatus and method of controlling the same
CANON KK0 citations52
US11417189B2Aug 16, 2022
Information processing apparatus and method, storage medium, and monitoring system
CANON KK0 citations52
IBM
3 patentsTOYOTA BOSHOKU KK
3 patentsSONY SEMICONDUCTOR SOLUTIONS CORP
2 patentsSAITO KENJI
1 patentIIDA YASUYUKI
1 patentMITSUBISHI HEAVY IND LTD
1 patentHONDA MOTOR CO LTD
1 patentBANDO CHEMICAL IND
1 patentISUZU MOTORS LTD
1 patentTAKEUCHI KOICHI
1 patentOKUNISHI KAZUO
1 patentTOSHIBA ENERGY SYSTEMS & SOLUTIONS CORP
1 patentCHUO YUKA
1 patentShowing the top 50 of 57 patents by PatentIndex Score.