Inventor

Hideki Matsubara

Inventor
Osaka, JP

Overview

27→
Patents
1991–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 27 as inventor

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

H10Hprimary
H10HInorganic light-emitting semiconductor devices having potential barriers22%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1015%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light8%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h108%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
B82YSpecific uses or applications of nanostructures7%
Y10TTechnical subjects covered by former us classification5%
C04BLime, magnesia3%
E05BLocks3%
G02BOptical elements, systems or apparatus3%
PatentTitleYear
10,923,297Switch monitoring device, switch state detection circuit, and a vehicle-mounted switch system20219,543,084'Switch state detection circuit and switch system'20179,461,460'Circuit control device, circuit system, switch state detection circuit and vehicle'20168,962,365'Method of manufacturing GaN-based film and composite substrate used therefor'20158,697,550'Method of manufacturing GaN-based film'20148,658,517'Method of manufacturing GaN-based film'20148,633,087'Method of manufacturing GaN-based semiconductor device'20148,605,769'Semiconductor laser device and manufacturing method thereof'20138,274,088'Surface-emitting laser element, fabrication method thereof, surface-emitting laser array, and fabrication method thereof'20128,235,603'Optoelectric conversion module, method for assembling same, and optoelectric information processor using same'20128,155,163'Photonic crystal laser and method of manufacturing photonic crystal laser'20128,012,780'Method of fabricating semiconductor laser'20116,876,003'Semiconductor light-emitting device, method of manufacturing transparent conductor film and method of manufacturing compound semiconductor light-emitting device'20056,872,649'Method of manufacturing transparent conductor film and compound semiconductor light-emitting device with the film'20056,741,029'Light emission apparatus and method of fabricating the same'20046,642,547'Light emitting device'20036,509,651'Substrate-fluorescent LED'20036,465,273'Method of making ZnSe based light emitting device with in layer using vibration and pressure'20026,420,731'Light emitting diode and manufacturing method thereof'20026,348,140'Gas sensor with a high combined resistance to lead wire resistance ratio'20026,337,536'White color light emitting diode and neutral color light emitting diode'20025,864,573'Epitaxial wafer and compound semiconductor light emitting device, and method of fabricating the same'19995,843,590'Epitaxial wafer and method of preparing the same'19985,756,374'Compound semiconductor light emitting device and method of preparing the same'19985,665,986'Compound semiconductor light emitting device and method of preparing the same'19975,589,429'Aluminum nitride sintered body and process for producing the same'19964,983,505'Optical recording medium'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1996Based in Aichi, JP· patent location history
1997–2015Patents assigned to SUMITOMO ELECTRIC INDUSTRIES (20)· patent assignee history
1997–1999Based in Hyogo, JP· patent location history
2002–2013Based in Osaka, JP· patent location history
2003–2021Patents assigned to ROHM CO LTD (5)· patent assignee history
2012–2015Patents assigned to MATSUBARA HIDEKI (7)· patent assignee history
2012–2013Patents assigned to NAKANISHI FUMITAKE (2)· patent assignee history
2014–2015Patents assigned to FUJIWARA SHINSUKE (2)· patent assignee history
2014–2015Based in Itami, JP· patent location history
2016–2021Based in Kyoto, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUMITOMO ELECTRIC INDUSTRIES201997–2015
MATSUBARA HIDEKIself72012–2015
ROHM CO LTD52003–2021
FUJIWARA SHINSUKE22014–2015
NAKANISHI FUMITAKE22012–2013
Locations
LocationPatentsSpan
Osaka, JP132002–2013
Itami, JP42014–2015
Hyogo, JP41997–1999
Kyoto, JP32016–2021
Aichi, JP21991–1996