Inventor

Shiro Yamazaki

Inventor

Iwaki, JP

Overview

1977–2020

Patent span

Chemistry

Primary field (CPC C)

Patents· 76 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

A01Nprimary

A01NPreservation of bodies of humans or animals or plants or parts thereof22%

C07DHeterocyclic compounds21%

H10HInorganic light-emitting semiconductor devices having potential barriers16%

C30BSingle-crystal growth13%

C07CAcyclic or carbocyclic compounds8%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h105%

Y10TTechnical subjects covered by former us classification4%

H01LSemiconductor devices3%

H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light2%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%

PatentTitleYear

10,693,032Method for producing Group III nitride semiconductor, seed substrate and Group III nitride semiconductor crystal2020 10,329,687Method for producing Group III nitride semiconductor including growing Group III nitride semiconductor through flux method2019 9,567,693'Method for producing a group III nitride semiconductor single crystal and method for producing a GaN substrate'2017 9,388,506'Semiconductor crystal removal apparatus and production method for semiconductor crystal'2016 9,263,258'Method for producing group III nitride-based compound semiconductor, wafer, and group III nitride-based compound semiconductor device'2016 9,028,611'Method for producing group III nitride semiconductor'2015 8,962,456'Group III nitride semiconductor single crystal, method for producing the same, self-standing substrate, and semiconductor device'2015 8,507,364'N-type group III nitride-based compound semiconductor and production method therefor'2013 8,361,222'Method for producing group III nitride-based compound semiconductor'2013 8,349,079'Apparatus for manufacturing group III nitride semiconductor'2013 8,343,239'Group III nitride semiconductor manufacturing system'2013 8,227,324'Method for producing group III nitride-based compound semiconductor crystal'2012 8,216,365'Method for producing a semiconductor crystal'2012 8,123,856'Method and apparatus for producing group III nitride based compound semiconductor'2012 8,084,281'Semiconductor substrate, electronic device, optical device, and production methods therefor'2011 7,867,800'Light-emitting semiconductor device using group III nitrogen compound'2011 7,708,833'Crystal growing apparatus'2010 7,459,023'Method for producing semiconductor crystal'2008 7,332,366'Light-emitting semiconductor device using group III nitrogen compound'2008 7,138,286'Light-emitting semiconductor device using group III nitrogen compound'2006 7,112,243'Method for producing Group III nitride compound semiconductor'2006 7,084,421'Light-emitting device using group III nitride group compound semiconductor'2006 7,052,979'Production method for semiconductor crystal and semiconductor luminous element'2006 7,001,790'Light-emitting aluminum gallium indium nitride compound semiconductor device having an improved luminous intensity'2006 6,984,536'Method for manufacturing a gallium nitride group compound semiconductor'2006 6,830,992'Method for manufacturing a gallium nitride group compound semiconductor'2004 6,607,595'Method for producing a light-emitting semiconductor device'2003 6,593,599'Light-emitting semiconductor device using gallium nitride group compound'2003 6,472,689'Light emitting device'2002 6,472,690'Gallium nitride group compound semiconductor'2002 6,362,017'Light-emitting semiconductor device using gallium nitride group compound'2002 6,265,726'Light-emitting aluminum gallium indium nitride compound semiconductor device having an improved luminous intensity'2001 6,249,012'Light emitting semiconductor device using gallium nitride group compound'2001 6,083,535'Effervescent granular preparation for keeping cut flower freshness'2000 6,005,258'Light-emitting semiconductor device using group III Nitrogen compound having emission layer doped with donor and acceptor impurities'1999 5,862,167'Light-emitting semiconductor device using gallium nitride compound'1999 5,733,796'Light-emitting semiconductor device using gallium nitride group compound'1998 5,700,713'Light emitting semiconductor device using group III nitride compound and method of producing the same'1997 5,587,593'Light-emitting semiconductor device using group III nitrogen compound'1996 5,583,879'Gallum nitride group compound semiconductor laser diode'1996 5,362,885'N-substituted-3-(nitrogen-containing 5-membered ring)-benzenesulfonamide derivatives'1994 5,278,433'Light-emitting semiconductor device using gallium nitride group compound with double layer structures for the n-layer and/or the i-layer'1994 5,242,894'N-substituted-3-(nitrogen-containing 5-membered ring)-benzenesulfonamide derivatives, and herbicidal compositions'1993 5,198,566'N-substituted-3-(substituted hydrazino)-benzenesulfonamides'1993 5,162,583'Benzylether derivatives'1992 5,151,114'N-substituted-3-(substituted hydrazino)benzenesulfonamide derivatives, and herbicidal compositions'1992 5,130,475'Derivative of 1,5-diphenyl-1H-1,2,4-triazole-3-carboxamide, herbicidal compositions containing the derivative and process for producing the derivative'1992 5,129,942'N-substituted-3-( (2,3-dimethylmaleimido)amino)-benzenesulfonamide derivatives, and herbicidal compositions'1992 5,127,937'N-substituted-3-(nitrogen-containing 5-membered ring)-benzenesulfonamide derivatives, and herbicidal compositions'1992 5,094,684'Derivative of 1,5-diphenyl-1H-1,2-triazole-3-carboxamide, herbicidal compositions containing the derivative and process for producing the derivative'1992 5,059,238'N-substituted-3-(substituted hydrazino)-benzenesulfonamide derivatives, and herbicidal compositions'1991 5,028,255'N-substituted-3-[(2,3-dimethylmaleimido)amino)]-benzenesulfonamide derivatives, hebicidal compositions and method of use'1991 4,992,093'Azolylcyclopentanol derivatives and agricultural and horticultural composition containing the same as active ingredients'1991 4,983,209'4,5-dihydro-1H-1,2,4-triazole-3-carboxamide derivatives and herbicidal composition containing the same'1991 4,973,353'1,5-diphenyl-1H-1,2,4-triazole-3-carboxamide derivatives and herbicidal composition containing the same'1990 4,968,345'Phenylhydrazone derivative of oxamide and herbicidal composition containing the same'1990 4,919,707'Derivative of 1,5-diphenyl-1H-1,2,4-triazole-3-carboxamide and herbicidal composition containing the same'1990 4,902,805'Derivatives of dihydrotriazole, and herbicidal compositions containing the same as an active ingredient'1990 4,897,106'Derivative of 4,5-dihydro-1H-1,2,4-triazole-3-carboxamide, and herbicidal composition containing the derivative'1990 4,863,505'Novel derivative of azole, and agricultural and horticultural composition containing the same as an active incredient'1989 4,820,334'1,2,4-triazole-3-carboxamide compound and a herbicidal composition containing the same'1989 4,795,484'Herbicidal composition containing a derivative of 1,2,4-triazole as an active ingredient'1989 4,690,704'Derivatives of tetrahydrobenzothiazole and herbicidal compositions containing the same as an active ingredient'1987 4,650,515'Derivative of tetrahydrobenzothiazole and herbicidal composition containing the same as active ingredient'1987 4,624,698'Herbicidal tetrahydrobenzothiazolyl-1,3,5-triazinone derivatives and compositions thereof'1986 4,624,697'Derivatives of tetrahydrobenzothiazole and herbicidal compositions containing the same as an active ingredient'1986 4,577,029'Derivative of tetrahydrobenzothiazole and herbicidal composition containing the same as active ingredient'1986 4,561,877'Derivatives of tetrahydrobenzothiazole and herbicidal compositions containing the same as active ingredient'1985 4,551,168'Herbicidal 2-(1,3,5-1H-triazin-2-one)-tetrahydrobenzothiazole derivatives, and compositions therefor'1985 4,549,902'Salts of derivatives of N-(tetrahydrobenzothiazolylcarbamoyl)oxamic acid and herbicidal composition containing the same as active ingredient'1985 4,275,078'N-Benzoyl-N\'-halogenoalkylidenehydrazine derivatives, process for preparing same, and agricultural and horticultural fungicide comprising such derivatives'1981 4,166,129'Agricultural and horticultural N-benzoyl-N\'-trichloroethylidene hydrazine fungicides'1979 4,080,464'Certain 3,4-dichloropyrrole-2,5-dione fungicides'1978 4,071,633'Fungicidal N-trichloroacetyl-N\'-chlorobenzoylhydrazine derivatives'1978 4,041,170'Field and garden agricultural fungicide'1977 4,007,279'Fungicides'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–2000Patents assigned to KUREHA CHEMICAL IND CO LTD (35)· patent assignee history

1977–1994Based in Iwaki, JP· patent location history

1992–2016Patents assigned to YAMAZAKI SHIRO (11)· patent assignee history

1994–2020Patents assigned to TOYODA GOSEI KK (39)· patent assignee history

1994–2006Patents assigned to UNIV NAGOYA (10)· patent assignee history

1994–2006Based in Inazawa, JP· patent location history

1996–2016Based in Aichi, JP· patent location history

1999–2008Based in Nakashima-gun, JP· patent location history

2008–2013Patents assigned to NGK INSULATORS LTD (7)· patent assignee history

2015–2020Based in Kiyosu, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TOYODA GOSEI KK	39	1994–2020
KUREHA CHEMICAL IND CO LTD	35	1977–2000
YAMAZAKI SHIROself	11	1992–2016
UNIV NAGOYA	10	1994–2006
NGK INSULATORS LTD	7	2008–2013

Locations

Location	Patents	Span
Iwaki, JP	34	1977–1994
Aichi, JP	21	1996–2016
Inazawa, JP	10	1994–2006
Kiyosu, JP	6	2015–2020
Nakashima-gun, JP	3	1999–2008