P

Inventor

KAWAI HIROJI

JP38 patents
⚠️ This page may combine multiple inventors who share the name “KAWAI HIROJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SONY CORP

31 patents
US6501154B2Dec 31, 2002

Semiconductor substrate made of a nitride III-V compound semiconductor having a wurtzite-structured crystal structure

SONY CORP79 citations98
US6121636ASep 19, 2000

Semiconductor light emitting device

SONY CORP110 citations98
US6064082AMay 16, 2000

Heterojunction field effect transistor

SONY CORP333 citations98
US5929467AJul 27, 1999

Field effect transistor with nitride compound

SONY CORP270 citations98
US6140169AOct 31, 2000

Method for manufacturing field effect transistor

SONY CORP99 citations97
US6468902B2Oct 22, 2002

Semiconductor device and its manufacturing method

SONY CORP49 citations96
US6281032B1Aug 28, 2001

Manufacturing method for nitride III-V compound semiconductor device using bonding

SONY CORP61 citations96
US6239033B1May 29, 2001

Manufacturing method of semiconductor device

SONY CORP73 citations96
US5863811AJan 26, 1999

Method for growing single crystal III-V compound semiconductor layers on non single crystal III-V Compound semiconductor buffer layers

SONY CORP66 citations95
US6426264B1Jul 30, 2002

Method of manufacturing a semiconductor laminated substrate, semiconductor crystal substrate and semiconductor device

SONY CORP19 citations92
US6235617B1May 22, 2001

Semiconductor device and its manufacturing method

SONY CORP28 citations92
US6111273AAug 29, 2000

Semiconductor device and its manufacturing method

SONY CORP24 citations92
US6107162AAug 22, 2000

Method for manufacture of cleaved light emitting semiconductor device

SONY CORP40 citations92
US6043140AMar 28, 2000

Method for growing a nitride compound semiconductor

SONY CORP29 citations92
US5981980ANov 9, 1999

Semiconductor laminating structure

SONY CORP67 citations92
US5821568AOct 13, 1998

Cleaved semiconductor device with {11-20} plane

SONY CORP36 citations92
US5753966AMay 19, 1998

Semiconductor device with cleaved surface

SONY CORP34 citations92
US5200021AApr 6, 1993

Method and apparatus for vapor deposition

SONY CORP22 citations87
US4751195AJun 14, 1988

Method of manufacturing a heterojunction bipolar transistor

SONY CORP22 citations82
USRE38613EOct 5, 2004

Method for growing a nitride compound semiconductor

SONY CORP10 citations74
US6750481B2Jun 15, 2004

Semiconductor laminated substrate, semiconductor crystal substrate and semiconductor device and method of manufacturing the same

SONY CORP11 citations74
US6413312B1Jul 2, 2002

Method for growing a nitride compound semiconductor

SONY CORP10 citations74
US5140399AAug 18, 1992

Heterojunction bipolar transistor and the manufacturing method thereof

SONY CORP8 citations74
US4916499AApr 10, 1990

Junction field effect transistor with vertical gate region

SONY CORP12 citations74
US6362016B1Mar 26, 2002

Semiconductor light emitting device

SONY CORP5 citations73
US6081001AJun 27, 2000

Nitride semiconductor light emitting device

SONY CORP12 citations73
US4903104AFeb 20, 1990

Heterojunctional collector-top type bi-polar transistor

SONY CORP14 citations73
US4016052AApr 5, 1977

Electrodeposition process

SONY CORP14 citations73
US6903392B2Jun 7, 2005

Semiconductor device and its manufacturing method

SONY CORP1 citations63
US5124771AJun 23, 1992

Semiconductor device

SONY CORP6 citations62
US4252669AFeb 24, 1981

Luminescent material and method of making the same

SONY CORP3 citations60

POWDEC KK

4 patents

CHIYODA CHEM ENG CONSTRUCT CO

1 patent

NAKAJIMA AKIRA

1 patent

AGENCY IND SCIENCE TECHN

1 patent