Inventor

Naoto Hirosaki

Inventor
Tsukuba, JP

Overview

89→
Patents
1989–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 89 as inventor

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

C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere21%
H10HInorganic light-emitting semiconductor devices having potential barriers17%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1015%
C04BLime, magnesia12%
H01LSemiconductor devices7%
H01JElectric discharge tubes or discharge lamps6%
H05BElectric heating4%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications4%
C01BNon-metallic elements3%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds2%
PatentTitleYear
11,084,980Phosphor and light-emitting equipment using phosphor202110,968,387Phosphor, method for production same, light emitting device, image display, pigment and ultraviolet light absorber202110,818,824Light-emitting instrument and image display device202010,662,374Phosphor, production method for same, illumination instrument, and image display device202010,479,935Fluorescent material, method of producing the same, and light emitting device using the same201910,381,528Image display apparatus201910,381,529Light-emitting device and display device201910,214,689Fluorescent material and light emitting device201910,072,207Phosphor and light-emitting equipment using phosphor20189,909,060'Phosphor, light-emitting device, image display device, pigment, and ultraviolet absorber'20189,828,547Phosphor, production method for same, light-emitting device, image display device, pigment, and ultraviolet absorber20179,741,908'Wavelength converting member, light-emitting device, and method for producing wavelength converting member'20179,738,829'Phosphor and light-emitting equipment using phosphor'20179,677,000'Fluorophor and method for production thereof and illuminator'20179,670,405'Production method of phosphor'20179,666,767'Fluorophore, method for producing same, light-emitting device using fluorophore, image display device, pigment, and ultraviolet absorbent'20179,624,428'Phosphor, production method for the same, and light-emitting device'20179,617,471'Inorganic phosphor, manufacture thereof, light-emitting device, and image display utilizing inorganic phosphor'20179,534,171'Phosphor, method for producing same, light emitting device, and image display device'20179,512,979'Phosphor, production method for the same, and light-emitting device'20169,512,358'Phosphor, production method for the same, and light-emitting device'20169,515,230'Fluorophore, method for producing same, light-emitting device, and image display device'20169,458,379'Phosphor, method for manufacturing same, light emitting device, and image display device'20169,399,731'Phosphor, method for producing the same, and luminescent device using the same'20169,359,551'Phosphor, manufacture thereof; light-emitting device, and image display device utilizing phosphor'20169,279,079'Method of manufacturing phosphor, light-emitting device, and image display apparatus'20169,162,921'Method of producing fluorescent material dispersed glass and fluorescent material dispersed glass'20159,062,252'Phosphor, manufacture thereof, light-emitting device, and image display device'20158,946,981'Phosphor, lighting fixture, and image display device'20158,928,005'Light-emitting device'20158,901,591'Light-emitting device'20148,883,039'Fluorophor and method for production thereof and illuminator'20148,852,453'Phosphor'20148,765,015'Phosphor, process for producing the same, and luminescent device'20148,703,019'Phosphor and use thereof'20148,674,392'Light-emitting device'20148,674,388'Phosphor, method of manufacturing the same, and light-emitting device'20148,608,980'Phosphor, method for producing the same and light-emitting device using the same'20138,550,645'Illumination device for display device, and display device'20138,513,876'Fluorescent substance, method for producing the same, and light-emitting device using the same'20138,508,119'Phosphor and an incandescent lamp color light emitting diode lamp using the same'20138,436,525'Phosphor, production method thereof and light emitting instrument'20138,409,470'Phosphor and light-emitting equipment using phosphor'20138,398,892'Phosphor, method for producing the same and light-emitting device using the same'20138,394,295'Oxynitride fluorescent material and light-emitting device'20138,206,611'Phosphor and use thereof'20128,147,715'Phosphor, process for producing the same, and luminescent device'20128,147,718'Oxynitride fluorescent material and light-emitting device'20128,148,887'Light emitting diode lamp and light emitting device'20128,142,685'Fluorescent material, process for producing the same, and luminescent device'20128,114,313'Phosphor, process for producing the same, and luminescent device'20128,057,704'Phosphor, method for producing same, and light-emitting device'20118,057,705'Sialon phosphor'20118,053,970'Light emitting device and illumination device'20118,007,684'Oxynitride fluorescent material and light-emitting device'20118,003,011'β type sialon fluorescent substance'20117,947,198'Phosphor and light emitting instrument'20117,910,023'Lithium-containing sialon phosphor and method of manufactring the same'20117,906,040'α-Sialon, α-sialon phosphor and method for producing the same'20117,892,451'Phosphor'20117,846,351'Fluorescent substance, process for producing the same, and luminescent device'20107,825,580'Fluorophor and method for production thereof and illuminator'20107,815,817'Phosphor and process for producing the same'20107,780,872'Fluorescent substance, method for manufacturing the same and image display device'20107,713,443'Phosphor production method'20107,678,294'Illuminator with fluorescent substance'20107,611,642'Oxynitride phosphor and light emitting device'20097,608,862'Light emitting device and a lighting apparatus'20097,597,821'Oxynitride phosphor and a light emitting device'20097,598,194'Oxynitride powder and production method thereof'20097,573,190'Light emitting element and lighting instrument'20097,564,065'Light emitting device and a lighting apparatus'20097,544,310'Fluorescent substance'20097,540,977'Phosphor, production method thereof and light emitting instrument'20097,525,245'Electron beam excited fluorescence emitting device'20097,494,606'Oxynitride phosphor and semiconductor light-emitting device'20097,470,378'Oxynitride fluorescent material and light-emitting device'20087,431,864'Phosphor, production method thereof and light emitting instrument'20087,402,943'Oxynitride phosphor and a light emitting device'20087,253,446'Light emitting device and illumination apparatus'20076,737,378'Silicon nitride sintered products and processes for their production'20046,579,819'Silicon nitride sintered products and processes for their production'20035,545,362'Production method of sintered silicon nitride'19965,541,143'Sintered composite of silicon carbide and silicon nitride'19965,472,919'.beta.-silicon nitride sintered body'19955,401,450'.beta.-silicon nitride sintered body and method of producing same'19955,198,165'Sintered silicon carbide and sialon composite'19935,126,294'Sintered silicon nitride and production method thereof'19924,810,678'Gas pressure sintering of silicon nitride with addition of rare earth oxides'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1996Based in Yokohama, JP· patent location history
2003–2021Based in Ibaraki, JP· patent location history
2007–2019Based in Tsukuba, JP· patent location history
2008–2017Patents assigned to NAT INST FOR MATERIALS SCIENCE (62)· patent assignee history
2008–2013Patents assigned to FUJIKURA LTD (7)· patent assignee history
2009–2019Patents assigned to SHARP KK (9)· patent assignee history
2011–2017Patents assigned to HIROSAKI NAOTO (31)· patent assignee history
2013Based in Tsubuka, JP· patent location history
2016Based in Tsukaba, JP· patent location history
2017–2021Patents assigned to NAT INST MATERIALS SCIENCE (11)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NAT INST FOR MATERIALS SCIENCE622008–2017
HIROSAKI NAOTOself312011–2017
NAT INST MATERIALS SCIENCE112017–2021
SHARP KK92009–2019
FUJIKURA LTD72008–2013
Locations
LocationPatentsSpan
Tsukuba, JP502007–2019
Ibaraki, JP302003–2021
Yokohama, JP71989–1996
Tsukaba, JP12016
Tsubuka, JP12013