Inventor
KAWAHARA HIROSHI
JP66 patents
⚠️ This page may combine multiple inventors who share the name “KAWAHARA HIROSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BROTHER IND LTD
9 patentsUS4772922ASep 20, 1988
Copying apparatus
BROTHER IND LTD20 citations82
US5222431AJun 29, 1993
Electrical stamp device capable of displaying an image layout, and which uses a stencil paper
BROTHER IND LTD9 citations74
US4945374AJul 31, 1990
Pressure developing device
BROTHER IND LTD8 citations73
US4884501ADec 5, 1989
Pressure developing apparatus
BROTHER IND LTD9 citations73
US5111237AMay 5, 1992
Image forming apparatus
BROTHER IND LTD2 citations63
US4996552AFeb 26, 1991
Image exposure device for exposing photosensitive recording medium to color image lights
BROTHER IND LTD5 citations63
US4493569AJan 15, 1985
Type wheel changing mechanism in a printer
BROTHER IND LTD2 citations63
US4491069AJan 1, 1985
Printing hammer driver mechanism
BROTHER IND LTD2 citations63
US5081484AJan 14, 1992
Image recording medium and detecting device therefor
BROTHER IND LTD2 citations62
TDK ELECTRONICS CO LTD
6 patentsUS4423453ADec 27, 1983
Magnetic recording medium
TDK ELECTRONICS CO LTD7 citations73
US4410590AOct 18, 1983
Magnetic recording medium
TDK ELECTRONICS CO LTD12 citations73
US4370383AJan 25, 1983
Magnetic recording medium
TDK ELECTRONICS CO LTD2 citations63
US4431702AFeb 14, 1984
Magnetic recording medium
TDK ELECTRONICS CO LTD4 citations62
US4414288ANov 8, 1983
Magnetic recording medium
TDK ELECTRONICS CO LTD5 citations62
US4367263AJan 4, 1983
Magnetic recording medium
TDK ELECTRONICS CO LTD5 citations59
KAWAHARA HIROSHI
4 patentsUS8656798B2Feb 25, 2014
Linear actuator
KAWAHARA HIROSHI22 citations91
US8089200B2Jan 3, 2012
Piezoelectric vibrating devices and methods for manufacturing same
KAWAHARA HIROSHI9 citations84
US8610337B2Dec 17, 2013
Piezoelectric device and method for manufacturing same
KAWAHARA HIROSHI3 citations63
US8429800B2Apr 30, 2013
Methods for manufacturing piezoelectric vibrating pieces
KAWAHARA HIROSHI3 citations62
TDK CORP
4 patentsUS5532041AJul 2, 1996
Magnetic recording media and method for making them
TDK CORP26 citations90
US6605341B2Aug 12, 2003
Functional film having specific surface dispersion ratio
TDK CORP9 citations73
US4460653AJul 17, 1984
Magnetic recording medium
TDK CORP9 citations73
US5043210AAug 27, 1991
Magnetic recording media having two magnetic layers; the first for recording a baseboard signal and the second for recording a superimposed surface and signal
TDK CORP4 citations60
ASAHI GLASS CO LTD
4 patentsUS4187377AFeb 5, 1980
Halogen-containing s-triazine compound
ASAHI GLASS CO LTD25 citations81
US4442177AApr 10, 1984
Alkyl ether methylolmelamine coating composition, coating process and transparent product
ASAHI GLASS CO LTD10 citations71
US4326958AApr 27, 1982
Permselective membrane
ASAHI GLASS CO LTD13 citations71
US4434277AFeb 28, 1984
Polyol for a polyurethane prepared by reacting an epoxide with the reaction product of a phenol, an aromatic amine, an aldehyde and a dialkanolamine
ASAHI GLASS CO LTD5 citations62
NSK LTD
4 patentsUS10550978B2Feb 4, 2020
Joining structure and joining method thereof
NSK LTD6 citations73
US10145420B2Dec 4, 2018
Joint structure and joining method thereof
NSK LTD2 citations73
US10161489B2Dec 25, 2018
Friction-roller-type reduction gear
NSK LTD4 citations68
US10386253B2Aug 20, 2019
Vehicle wheel supporting rolling bearing unit
NSK LTD1 citations61
NRS TECHNOLOGIES INC
3 patentsUS6518501B1Feb 11, 2003
Electronic part and method of assembling the same
NRS TECHNOLOGIES INC43 citations92
US6750592B2Jun 15, 2004
Surface acoustic wave filter and surface acoustic wave filter apparatus
NRS TECHNOLOGIES INC6 citations72
US6720845B2Apr 13, 2004
Saw filter device and package for accommodating the same
NRS TECHNOLOGIES INC6 citations58
TOYODA CHUO KENKYUSHO KK
3 patentsUS5980659ANov 9, 1999
Surface-treated metallic part and processing method thereof
TOYODA CHUO KENKYUSHO KK21 citations92
US6395224B1May 28, 2002
Magnesium alloy and method of producing the same
TOYODA CHUO KENKYUSHO KK19 citations91
US6309699B2Oct 30, 2001
Method of producing a metallic part exhibiting excellent oxidation resistance
TOYODA CHUO KENKYUSHO KK3 citations62
GOYO PAPER WORKING CO LTD
3 patentsUS6852198B1Feb 8, 2005
Resin composition, water-resistant/moisture-proof paper, containing the same, and process for producing the same
GOYO PAPER WORKING CO LTD13 citations81
US5188395AFeb 23, 1993
Waterproof recording material having ground patterns and its manufacturing method
GOYO PAPER WORKING CO LTD12 citations70
US4937110AJun 26, 1990
Laminated material for hot and cold cups and its manufacturing method
GOYO PAPER WORKING CO LTD3 citations57
GREE INC
3 patentsUS12029986B2Jul 9, 2024
Non-transitory computer-readable recording medium and method for controlling communication between a server device and a terminal device
GREE INC0 citations63
US11712632B2Aug 1, 2023
Non-transitory computer-readable recording medium and method for controlling communication between a server device and a terminal device
GREE INC0 citations63
US11247132B2Feb 15, 2022
Non-transitory computer-readable recording medium and method for controlling communication between a server device and a terminal device
GREE INC0 citations63
TOYOTA MOTOR CO LTD
3 patentsUS11761070B2Sep 19, 2023
Method for manufacturing aluminum alloy member
TOYOTA MOTOR CO LTD0 citations60
US11214857B2Jan 4, 2022
Method for manufacturing aluminum alloy member
TOYOTA MOTOR CO LTD0 citations60
US5298094AMar 29, 1994
Aluminum alloy casting having high strength and high toughness and process for producing the same
TOYOTA MOTOR CO LTD5 citations59
NEC CORP
2 patentsDIESEL KIKI CO
1 patentNIHON DEMPA KOGYO CO
1 patentShowing the top 50 of 66 patents by PatentIndex Score.