Inventor
OHBA YASUO
JP75 patents
⚠️ This page may combine multiple inventors who share the name “OHBA YASUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
37 patentsUS5929466AJul 27, 1999
Semiconductor device and method of fabricating the same
TOSHIBA KK167 citations99
US5656832AAug 12, 1997
Semiconductor heterojunction device with ALN buffer layer of 3nm-10nm average film thickness
TOSHIBA KK146 citations99
US5432808AJul 11, 1995
Compound semicondutor light-emitting device
TOSHIBA KK155 citations99
US6242764B1Jun 5, 2001
III-N semiconductor light-emitting element having strain-moderating crystalline buffer layers
TOSHIBA KK86 citations98
US5998810ADec 7, 1999
Semiconductor light-emitting diode having a p-type semiconductor layer formed on a light-emitting layer
TOSHIBA KK100 citations98
US5990495ANov 23, 1999
Semiconductor light-emitting element and method for manufacturing the same
TOSHIBA KK118 citations98
US5103271AApr 7, 1992
Semiconductor light emitting device and method of fabricating the same
TOSHIBA KK120 citations98
US5740192AApr 14, 1998
Semiconductor laser
TOSHIBA KK93 citations96
US5076860ADec 31, 1991
Algan compound semiconductor material
TOSHIBA KK91 citations96
US5042043AAug 20, 1991
Semiconductor laser using five-element compound semiconductor
TOSHIBA KK99 citations96
US5005057AApr 2, 1991
Semiconductor light-emitting diode and method of manufacturing the same
TOSHIBA KK98 citations96
US7176479B2Feb 13, 2007
Nitride compound semiconductor element
TOSHIBA KK29 citations93
US5909040AJun 1, 1999
Semiconductor device including quaternary buffer layer with pinholes
TOSHIBA KK45 citations92
US5273933ADec 28, 1993
Vapor phase growth method of forming film in process of manufacturing semiconductor device
TOSHIBA KK49 citations92
US5168077ADec 1, 1992
Method of manufacturing a p-type compound semiconductor thin film containing a iii-group element and a v-group element by metal organics chemical vapor deposition
TOSHIBA KK39 citations92
US5079184AJan 7, 1992
Method of manufacturing iii-iv group compound semiconductor device
TOSHIBA KK44 citations92
US4893313AJan 9, 1990
Semiconductor laser device which has a double-hetero structure having an optimal layer thickness
TOSHIBA KK23 citations92
US4809287AFeb 28, 1989
Double-heterostructure semiconductor with mesa stripe waveguide
TOSHIBA KK31 citations92
US4792958ADec 20, 1988
Semiconductor laser with mesa stripe waveguide structure
TOSHIBA KK27 citations92
US4928285AMay 22, 1990
Impurity-doped semiconductor laser device for single wavelength oscillation
TOSHIBA KK32 citations90
US9184242B2Nov 10, 2015
Nitride semiconductor wafer, nitride semiconductor element, and method for manufacturing nitride semiconductor wafer
TOSHIBA KK6 citations84
US8017970B2Sep 13, 2011
Semiconductor light-emitting element
TOSHIBA KK8 citations84
US7902565B2Mar 8, 2011
Semiconductor light emitting device and method for manufacturing same
TOSHIBA KK9 citations84
US7638809B2Dec 29, 2009
Light emitting device
TOSHIBA KK10 citations84
US7615794B2Nov 10, 2009
Semiconductor light emitting device and semiconductor light emitting apparatus
TOSHIBA KK13 citations84
US5036521AJul 30, 1991
Semiconductor laser device
TOSHIBA KK17 citations82
US4949349AAug 14, 1990
Double-heterostructure semiconductor with mesa stripe waveguide
TOSHIBA KK16 citations82
US4835117AMay 30, 1989
Manufacturing method for semiconductor laser with mesa stripe
TOSHIBA KK18 citations82
US8039830B2Oct 18, 2011
Semiconductor light emitting device and wafer
TOSHIBA KK5 citations74
USRE38805EOct 4, 2005
Semiconductor device and method of fabricating the same
TOSHIBA KK5 citations74
US5617438AApr 1, 1997
Semiconductor laser and method for manufacturing the same
TOSHIBA KK12 citations74
US5228044AJul 13, 1993
Ultraviolet semiconductor laser and method of manufacturing the same
TOSHIBA KK12 citations74
US5034957AJul 23, 1991
Semiconductor laser device
TOSHIBA KK13 citations74
US4910743AMar 20, 1990
Semiconductor laser with mesa stripe waveguide structure
TOSHIBA KK11 citations74
US5317167AMay 31, 1994
Semiconductor light-emitting device with InGaAlp
TOSHIBA KK15 citations73
US5235194AAug 10, 1993
Semiconductor light-emitting device with InGaAlP
TOSHIBA KK12 citations73
US8729594B2May 20, 2014
Semiconductor light-emitting element
TOSHIBA KK2 citations63
KATSUNO HIROSHI
6 patentsUS9130127B2Sep 8, 2015
Semiconductor light emitting device
KATSUNO HIROSHI26 citations92
US8338844B2Dec 25, 2012
Semiconductor light emitting apparatus having stacked reflective dielectric films
KATSUNO HIROSHI19 citations92
US8963177B2Feb 24, 2015
Semiconductor light emitting element and semiconductor light emitting device
KATSUNO HIROSHI7 citations84
US8421085B2Apr 16, 2013
Semiconductor light-emitting device
KATSUNO HIROSHI7 citations84
US9070837B2Jun 30, 2015
Semiconductor light-emitting device and method for manufacturing same
KATSUNO HIROSHI5 citations73
US8921886B2Dec 30, 2014
Semiconductor light emitting device, semiconductor light emitting apparatus, and method for manufacturing semiconductor light emitting device
KATSUNO HIROSHI2 citations63
NAMCO BANDAI GAMES INC
2 patentsUS7295699B2Nov 13, 2007
Image processing system, program, information storage medium, and image processing method
NAMCO BANDAI GAMES INC12 citations84
US7327364B2Feb 5, 2008
Method and apparatus for rendering three-dimensional images of objects with hand-drawn appearance in real time
NAMCO BANDAI GAMES INC11 citations80
KANEKO KEI
2 patentsCANON KK
1 patentKUSHIBE MITSUHIRO
1 patentNAMCO LTD
1 patentShowing the top 50 of 75 patents by PatentIndex Score.