Inventor
TAKATA KAZUMASA
JP41 patents
⚠️ This page may combine multiple inventors who share the name “TAKATA KAZUMASA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PANASONIC IP MAN CO LTD
18 patentsUS11656473B2May 23, 2023
Lightguide lighting system for display system
PANASONIC IP MAN CO LTD6 citations72
US10379282B2Aug 13, 2019
Multicolor display apparatus and method for setting gradation value of multicolor display apparatus
PANASONIC IP MAN CO LTD2 citations72
US11098868B2Aug 24, 2021
Lighting device
PANASONIC IP MAN CO LTD2 citations70
US10527776B2Jan 7, 2020
Display device
PANASONIC IP MAN CO LTD1 citations61
US12204100B2Jan 21, 2025
Optical system for a display system projecting a virtual image onto a target space
PANASONIC IP MAN CO LTD0 citations60
US11835719B2Dec 5, 2023
Optical system for a display system projecting a virtual image onto a target space
PANASONIC IP MAN CO LTD0 citations60
US11422452B2Aug 23, 2022
Optical multiplexer and image projection apparatus using the same
PANASONIC IP MAN CO LTD0 citations52
US11274949B2Mar 15, 2022
Projection device
PANASONIC IP MAN CO LTD0 citations52
US12416756B2Sep 16, 2025
Surface light-emitting device, display device, and illumination device
PANASONIC IP MAN CO LTD0 citations51
US12537929B2Jan 27, 2026
Display device and display method
PANASONIC IP MAN CO LTD0 citations50
US12442962B2Oct 14, 2025
Optical multiplexer
PANASONIC IP MAN CO LTD0 citations50
US12429703B2Sep 30, 2025
Light refraction member, optical system, lighting systems, display systems, moving object, and mold
PANASONIC IP MAN CO LTD0 citations50
US11940647B2Mar 26, 2024
Optical system
PANASONIC IP MAN CO LTD0 citations50
US11054101B2Jul 6, 2021
Lighting device
PANASONIC IP MAN CO LTD0 citations47
US10025022B2Jul 17, 2018
Multicolor display device
PANASONIC IP MAN CO LTD0 citations42
US10345503B2Jul 9, 2019
Display device
PANASONIC IP MAN CO LTD0 citations41
US10338296B2Jul 2, 2019
Display apparatus
PANASONIC IP MAN CO LTD0 citations41
US10768354B2Sep 8, 2020
Display device
PANASONIC IP MAN CO LTD0 citations40
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
11 patentsUS5980054ANov 9, 1999
Panel-form illuminating system
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD104 citations97
US5894345AApr 13, 1999
Optical method of detecting defect and apparatus used therein
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD53 citations96
US6068382AMay 30, 2000
Panel-form illuminating system
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD65 citations95
US6809829B1Oct 26, 2004
Method and apparatus for evaluating aberrations of optical element and method and apparatus for adjusting optical unit and lens
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD64 citations94
US5986727ANov 16, 1999
Back light illuminator for liquid crystal display apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD32 citations92
US5981941ANov 9, 1999
Optical encorder for detection having a moving reference point
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD43 citations91
US5754341AMay 19, 1998
Phase grating, its fabricating method, optical encoder, motor using the optical encoder, and robot using the motor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations84
US5999249ADec 7, 1999
Position detecting element and range sensor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations74
US5694218ADec 2, 1997
Optical encoder including a plurality of phase adjusting gratings
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations74
US6538749B1Mar 25, 2003
Method and apparatus for evaluating aberrations of optical element for use with optical device by using phase differences determined by overlapping two diffracted lights to form a sharing image
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations72
US7379172B2May 27, 2008
Method and apparatus for inspection of optical component
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2 citations58
MITSUBISHI HITACHI POWER SYS
3 patentsUS10358923B2Jul 23, 2019
Cooling device, gas turbine installation provided with same, and method for operating cooling device
MITSUBISHI HITACHI POWER SYS4 citations73
US10619564B2Apr 14, 2020
Gas turbine and component-temperature adjustment method therefor
MITSUBISHI HITACHI POWER SYS3 citations72
US10352244B2Jul 16, 2019
Combustor cooling structure
MITSUBISHI HITACHI POWER SYS0 citations41
MITSUBISHI HEAVY IND LTD
3 patentsUS10309245B2Jun 4, 2019
Gas turbine and operating method thereof
MITSUBISHI HEAVY IND LTD0 citations51
US10247030B2Apr 2, 2019
Gas turbine and operating method thereof
MITSUBISHI HEAVY IND LTD0 citations51
US9951644B2Apr 24, 2018
Gas turbine and operating method thereof
MITSUBISHI HEAVY IND LTD0 citations51