P

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 patents
US11656473B2May 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 patents
US5980054ANov 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 patents

MITSUBISHI HEAVY IND LTD

3 patents

MIZUKAMI SATOSHI

2 patents

PANASONIC CORP

2 patents

MITSUBISHI HITACHI POWER SYS LTD

1 patent

KUSAKA YUSUKE

1 patent