Inventor
HIROTA KAZUO
JP55 patents
⚠️ This page may combine multiple inventors who share the name “HIROTA KAZUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
G C DENTAL IND CORP
15 patentsUS5962550AOct 5, 1999
Dental filling resin composition
G C DENTAL IND CORP149 citations97
US5063257ANov 5, 1991
Dental glass ionomer cement compositions
G C DENTAL IND CORP257 citations96
US4775592AOct 4, 1988
Fluoroaluminosilicate glass powder for dental glass ionomer cement
G C DENTAL IND CORP61 citations96
US4374936AFeb 22, 1983
Liquid of acrylic copolymer and tetrahydrofurantetracarboxylic acid for setting dental cements
G C DENTAL IND CORP54 citations96
US6174935B1Jan 16, 2001
Dental adhesive kit
G C DENTAL IND CORP90 citations95
US4900697AFeb 13, 1990
Glass powders for dental glass ionomer cements
G C DENTAL IND CORP52 citations95
US6355585B1Mar 12, 2002
Glass powder for glass ionomer cement
G C DENTAL IND CORP18 citations92
US4652593AMar 24, 1987
Dental aluminate cement compositions
G C DENTAL IND CORP38 citations92
US4647600AMar 3, 1987
Dental cement compositions
G C DENTAL IND CORP47 citations92
US4342677AAug 3, 1982
Fluorocomplex salt-containing liquid for setting dental cements
G C DENTAL IND CORP47 citations92
US6756421B1Jun 29, 2004
Dental glass ionomer cement composition
G C DENTAL IND CORP38 citations90
US6264472B1Jul 24, 2001
Method for setting dental glass ionomer cement
G C DENTAL IND CORP15 citations82
US4591384AMay 27, 1986
Dental cement compositions
G C DENTAL IND CORP25 citations82
US4632824ADec 30, 1986
Compositions applied in the mouth
G C DENTAL IND CORP12 citations74
US4524824AJun 25, 1985
Dental cement
G C DENTAL IND CORP17 citations70
HITACHI LTD
14 patentsUS5491301AFeb 13, 1996
Shielding method and circuit board employing the same
HITACHI LTD73 citations96
US5406027AApr 11, 1995
Mounting structure and electronic device employing the same
HITACHI LTD64 citations96
US4673772AJun 16, 1987
Electronic circuit device and method of producing the same
HITACHI LTD77 citations96
US4549042AOct 22, 1985
Litz wire for degreasing skin effect at high frequency
HITACHI LTD54 citations96
US4952272AAug 28, 1990
Method of manufacturing probing head for testing equipment of semi-conductor large scale integrated circuits
HITACHI LTD105 citations94
US5761049AJun 2, 1998
Inductance cancelled condenser implemented apparatus
HITACHI LTD24 citations92
US5249100ASep 28, 1993
Electronic circuit device provided with a ceramic substrate having lead pins bonded thereto by solder
HITACHI LTD22 citations91
US4725925AFeb 16, 1988
Circuit board
HITACHI LTD12 citations72
US4663737AMay 5, 1987
Magnetic bubble memory unit
HITACHI LTD4 citations63
US4592014AMay 27, 1986
Magnetic bubble memory device
HITACHI LTD2 citations63
US4592015AMay 27, 1986
Magnetic bubble memory module
HITACHI LTD6 citations63
US4975871ADec 4, 1990
Magnetic bubble memory module with interconnection member
HITACHI LTD4 citations61
US4972369ANov 20, 1990
Magnetic bubble memory module with interconnection member
HITACHI LTD4 citations61
US4694423ASep 15, 1987
Magnetic bubble memory module
HITACHI LTD1 citations51
EISAI CO LTD
14 patentsUS5385942AJan 31, 1995
Quinone derivatives and pharmacological use
EISAI CO LTD48 citations95
US5210239AMay 11, 1993
Ouinone derivatives and pharmacological use
EISAI CO LTD49 citations95
US5723472AMar 3, 1998
Aminobenzoic acid derivatives
EISAI CO LTD17 citations92
US5389643AFeb 14, 1995
Aminobenzoic acid derivatives useful for treating gastro-intestinal conditions
EISAI CO LTD10 citations74
US5861418AJan 19, 1999
Aminobenzoic acid derivatives
EISAI CO LTD6 citations73
US5677311AOct 14, 1997
Aminobenzoic acid derivatives
EISAI CO LTD6 citations73
US5658925AAug 19, 1997
Aminobenzoic acid derivatives
EISAI CO LTD7 citations73
US5512579AApr 30, 1996
Aminobenzoic acid derivatives
EISAI CO LTD10 citations71
US5599972AFeb 4, 1997
Aminobenzoic acid derivatives
EISAI CO LTD3 citations63
US5292901AMar 8, 1994
Benzodioxole derivatives
EISAI CO LTD2 citations62
US5110956AMay 5, 1992
Benzodioxale derivatives
EISAI CO LTD4 citations62
US5631402AMay 20, 1997
Process for preparing aminobenzoic acid derivatives
EISAI CO LTD0 citations52
US5578603ANov 26, 1996
Aminobenzoic acid derivatives
EISAI CO LTD0 citations52
US5475024ADec 12, 1995
Benzodioxole derivatives
EISAI CO LTD0 citations51
MITSUBISHI HEAVY IND LTD
5 patentsUS5173120ADec 22, 1992
Coating apparatus having a partitioned coating chamber
MITSUBISHI HEAVY IND LTD13 citations70
US10990712B2Apr 27, 2021
Contact force evaluation method
MITSUBISHI HEAVY IND LTD2 citations67
US10935232B2Mar 2, 2021
Vibration damping structure for heat-transfer tube bundle
MITSUBISHI HEAVY IND LTD1 citations60
US11462335B2Oct 4, 2022
Supporting force inspection device and supporting force inspection method
MITSUBISHI HEAVY IND LTD1 citations59
US12510186B2Dec 30, 2025
Steam valve and power generation system
MITSUBISHI HEAVY IND LTD0 citations50
MEIJI KIKAI SEISAKUSYO CO LTD
1 patentMATSUYAMA HIDETO
1 patentShowing the top 50 of 55 patents by PatentIndex Score.