Inventor
MURAMATSU TAKAO
JP53 patents
⚠️ This page may combine multiple inventors who share the name “MURAMATSU TAKAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOITO MFG CO LTD
45 patentsUS9550448B2Jan 24, 2017
Light distribution control method and light distribution control device for a vehicular headlamp
KOITO MFG CO LTD12 citations84
US7564200B2Jul 21, 2009
Discharge lamp lighting circuit with frequency control in accordance with phase difference
KOITO MFG CO LTD8 citations84
US7291990B2Nov 6, 2007
Discharge lamp lighting circuit
KOITO MFG CO LTD13 citations84
US9648679B2May 9, 2017
Vehicle lamp and lighting circuit thereof
KOITO MFG CO LTD8 citations83
US7084580B2Aug 1, 2006
Discharge lamp lighting circuit
KOITO MFG CO LTD8 citations74
US10676017B2Jun 9, 2020
Vehicular lighting device
KOITO MFG CO LTD4 citations73
US10641454B2May 5, 2020
Vehicle lamp that projects scanning beam scanned by optical scanning system to form first pattern, and that projects emission beam of second light source section to form second pattern
KOITO MFG CO LTD4 citations73
US10156334B2Dec 18, 2018
Vehicular lamp
KOITO MFG CO LTD2 citations73
US10000150B2Jun 19, 2018
Lighting circuit and vehicle lamp
KOITO MFG CO LTD4 citations73
US9265109B2Feb 16, 2016
Light source control device
KOITO MFG CO LTD6 citations73
US9862301B2Jan 9, 2018
Vehicular rear panel
KOITO MFG CO LTD4 citations72
US10426012B2Sep 24, 2019
Lighting circuit and vehicle lamp
KOITO MFG CO LTD2 citations71
US9198247B2Nov 24, 2015
Vehicle lamp, driving device thereof, and control method thereof
KOITO MFG CO LTD4 citations68
US12187186B2Jan 7, 2025
Vehicle lamp system
KOITO MFG CO LTD1 citations63
US11897382B2Feb 13, 2024
Vehicle lamp system, vehicle lamp control device and vehicle lamp control method
KOITO MFG CO LTD0 citations63
US11097653B2Aug 24, 2021
Vehicle lamp system, vehicle lamp control device and vehicle lamp control method
KOITO MFG CO LTD0 citations63
US11001194B2May 11, 2021
Vehicular lamp system, vehicular lamp control device, and vehicular lamp control method
KOITO MFG CO LTD1 citations63
US10993297B2Apr 27, 2021
Lighting circuit and vehicular lamp
KOITO MFG CO LTD0 citations63
US8994287B2Mar 31, 2015
Light source control device
KOITO MFG CO LTD3 citations63
US7656102B2Feb 2, 2010
Discharge lamp lighting circuit
KOITO MFG CO LTD2 citations63
US7564199B2Jul 21, 2009
Discharge lamp lighting circuit
KOITO MFG CO LTD5 citations63
US7378802B2May 27, 2008
Discharge lamp lighting circuit
KOITO MFG CO LTD2 citations63
US7218065B2May 15, 2007
Discharge lamp lighting circuit
KOITO MFG CO LTD3 citations63
US7075246B2Jul 11, 2006
Discharge lamp illumination circuit
KOITO MFG CO LTD2 citations63
US7019465B2Mar 28, 2006
Discharge lamp illumination circuit and discharge lamp illumination method
KOITO MFG CO LTD5 citations63
US11964608B2Apr 23, 2024
Vehicular lamp system, light distribution control device, and light distribution control method
KOITO MFG CO LTD1 citations62
US11787330B2Oct 17, 2023
Vehicle lamp system
KOITO MFG CO LTD0 citations62
US10807516B2Oct 20, 2020
Lighting circuit
KOITO MFG CO LTD1 citations62
US12503038B2Dec 23, 2025
Lamp system
KOITO MFG CO LTD1 citations60
US9320107B2Apr 19, 2016
Vehicular lamp
KOITO MFG CO LTD2 citations54
US11252338B2Feb 15, 2022
Infrared camera system and vehicle
KOITO MFG CO LTD0 citations52
US9637048B2May 2, 2017
Illumination control system
KOITO MFG CO LTD1 citations52
US7777429B2Aug 17, 2010
Discharge lamp lighting circuit
KOITO MFG CO LTD1 citations52
US12508981B2Dec 30, 2025
Lamp system
KOITO MFG CO LTD0 citations51
US12589686B2Mar 31, 2026
Light distribution control device, vehicular lamp system, and light distribution control method
KOITO MFG CO LTD0 citations50
US11729875B2Aug 15, 2023
Automotive lamp
KOITO MFG CO LTD0 citations50
US9776559B2Oct 3, 2017
Vehicular display system
KOITO MFG CO LTD0 citations50
US12167141B2Dec 10, 2024
Imaging system including difference image generator that generates difference images
KOITO MFG CO LTD0 citations47
US9386646B2Jul 5, 2016
Vehicle lamp and vehicle lamp driving device
KOITO MFG CO LTD1 citations47
US11454539B2Sep 27, 2022
Vehicle lamp
KOITO MFG CO LTD0 citations44
US10661701B2May 26, 2020
Lighting circuit and vehicular lighting device
KOITO MFG CO LTD0 citations42
US9951920B2Apr 24, 2018
Vehicle lamp control system
KOITO MFG CO LTD0 citations42
US7348733B2Mar 25, 2008
Discharge lamp lighting circuit and method
KOITO MFG CO LTD0 citations42
US7180249B2Feb 20, 2007
Switching element driving circuit and discharge lamp lighting apparatus
KOITO MFG CO LTD0 citations42
US10609774B2Mar 31, 2020
Lighting circuit and vehicle lamp
KOITO MFG CO LTD0 citations41
CANON KK
3 patentsMURAMATSU TAKAO
2 patentsShowing the top 50 of 53 patents by PatentIndex Score.