Inventor

MIWA HIROAKI

JP53 patents

⚠️ This page may combine multiple inventors who share the name “MIWA HIROAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

19 patents

US5401610AMar 28, 1995

Optical disc

HITACHI LTD31 citations96

US5766407AJun 16, 1998

Optical disk producing apparatus

HITACHI LTD24 citations92

US5582677ADec 10, 1996

Optical disk producing apparatus

HITACHI LTD25 citations92

US4897228AJan 30, 1990

Method for producing optical disk base

HITACHI LTD44 citations92

US4729938AMar 8, 1988

Optical disc base plate having a primer layer formed of an ultraviolet-cured resin composition

HITACHI LTD46 citations92

US4668550AMay 26, 1987

Optical disc

HITACHI LTD26 citations92

US5543271AAug 6, 1996

Optical recording and reproduction apparatus

HITACHI LTD10 citations82

US5244775ASep 14, 1993

Method of manufacturing an optical disc

HITACHI LTD13 citations82

US5906907AMay 25, 1999

Optical disc

HITACHI LTD4 citations74

US5686227ANov 11, 1997

Optical reproduction apparatus

HITACHI LTD3 citations74

US4889757ADec 26, 1989

Optical recording disk

HITACHI LTD12 citations74

US4835027AMay 30, 1989

Optical disc

HITACHI LTD9 citations74

US4812346AMar 14, 1989

Optical disc base plate and process for producing the same

HITACHI LTD14 citations74

US4456659AJun 26, 1984

Substrate for optical disc recording media

HITACHI LTD9 citations74

US4957990ASep 18, 1990

Materials for optical use

HITACHI LTD7 citations71

US6573025B2Jun 3, 2003

Optical disc

HITACHI LTD1 citations63

US6465151B1Oct 15, 2002

Method of manufacturing optical discs

HITACHI LTD2 citations63

US6140028AOct 31, 2000

Optical recording and reproduction apparatus

HITACHI LTD1 citations63

US5071236ADec 10, 1991

Replica plate, process for producing the same and projection type television using the same

HITACHI LTD5 citations59

HITACHI DISPLAYS LTD

9 patents

US7385666B2Jun 10, 2008

Liquid crystal display device

HITACHI DISPLAYS LTD24 citations96

US8018558B2Sep 13, 2011

Liquid crystal display device

HITACHI DISPLAYS LTD22 citations92

US7872725B2Jan 18, 2011

Liquid crystal display device

HITACHI DISPLAYS LTD11 citations92

US7773189B2Aug 10, 2010

Liquid crystal display device

HITACHI DISPLAYS LTD10 citations92

US7746428B2Jun 29, 2010

Liquid crystal display element

HITACHI DISPLAYS LTD8 citations84

US7630050B2Dec 8, 2009

Liquid crystal display panel with a continuous weir and a discontinuous weir covered by a sealing material

HITACHI DISPLAYS LTD13 citations84

US7898633B2Mar 1, 2011

Liquid crystal display device having a weir pattern and a sealing member with cured and uncured portions

HITACHI DISPLAYS LTD3 citations63

US7969538B2Jun 28, 2011

Liquid crystal display device

HITACHI DISPLAYS LTD2 citations62

US8035780B2Oct 11, 2011

Liquid crystal display device

HITACHI DISPLAYS LTD1 citations52

DENSO CORP

9 patents

US11397196B2Jul 26, 2022

Current sensor

DENSO CORP4 citations72

US11255884B2Feb 22, 2022

Current sensor

DENSO CORP4 citations72

US11988692B2May 21, 2024

Current sensor

DENSO CORP0 citations62

US11959944B2Apr 16, 2024

Current sensor

DENSO CORP0 citations62

US11953526B2Apr 9, 2024

Current sensor

DENSO CORP0 citations62

US11656249B2May 23, 2023

Current sensor with shielding for noise suppression

DENSO CORP1 citations62

US11422165B2Aug 23, 2022

Current sensor

DENSO CORP1 citations62

US11391762B2Jul 19, 2022

Current sensor

DENSO CORP0 citations62

US11360123B2Jun 14, 2022

Current sensor

DENSO CORP0 citations60

JAPAN DISPLAY INC

5 patents

US9575378B2Feb 21, 2017

Liquid crystal display device

JAPAN DISPLAY INC3 citations84

US9069213B2Jun 30, 2015

Liquid crystal display device

JAPAN DISPLAY INC5 citations84

US10371991B2Aug 6, 2019

Liquid crystal display device

JAPAN DISPLAY INC1 citations73

US10054826B2Aug 21, 2018

Liquid crystal display device

JAPAN DISPLAY INC1 citations63

US8724072B2May 13, 2014

Liquid crystal display device

JAPAN DISPLAY INC1 citations63

HITACHI MAXELL

2 patents

US5234792AAug 10, 1993

Optical data recording medium and manufacturing method thereof

HITACHI MAXELL11 citations73

US5427893AJun 27, 1995

Optical data recording medium

HITACHI MAXELL2 citations62

HITACHI DEVICE ENG

1 patent

US6882104B2Apr 19, 2005

Electroluminescent device with resin protective film

HITACHI DEVICE ENG13 citations84

KOBAYASHI SETSUO

1 patent

US8142249B2Mar 27, 2012

Manufacturing method of display device

KOBAYASHI SETSUO9 citations82

MIWA SCIENCE LAB INC

1 patent

US7399284B2Jul 15, 2008

Ultrasonic irradiation apparatus

MIWA SCIENCE LAB INC17 citations82

ASHIZAWA KEIICHIRO

1 patent

US8405813B2Mar 26, 2013

Liquid crystal display device

ASHIZAWA KEIICHIRO7 citations80

KATSUMURA NOBUHITO

1 patent

US8120743B2Feb 21, 2012

Liquid crystal display device and production method thereof

KATSUMURA NOBUHITO14 citations78

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

1 patent

US4470072ASep 4, 1984

Method of band compression

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations73

Showing the top 50 of 53 patents by PatentIndex Score.