P

Inventor

YAMAMOTO MASAHIRO

JP341 patents
⚠️ This page may combine multiple inventors who share the name “YAMAMOTO MASAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOSHIBA KK

18 patents
US6316785B1Nov 13, 2001

Nitride-compound semiconductor device

TOSHIBA KK306 citations99
US6242761B1Jun 5, 2001

Nitride compound semiconductor light emitting device

TOSHIBA KK243 citations99
US6015979AJan 18, 2000

Nitride-based semiconductor element and method for manufacturing the same

TOSHIBA KK338 citations99
US5905275AMay 18, 1999

Gallium nitride compound semiconductor light-emitting device

TOSHIBA KK183 citations99
US5864171AJan 26, 1999

Semiconductor optoelectric device and method of manufacturing the same

TOSHIBA KK161 citations99
US5994205ANov 30, 1999

Method of separating semiconductor devices

TOSHIBA KK100 citations98
US6281524B1Aug 28, 2001

Semiconductor light-emitting device

TOSHIBA KK122 citations97
US6404792B2Jun 11, 2002

Semiconductor light-emitting device

TOSHIBA KK65 citations96
US6118801ASep 12, 2000

Gallium nitride-based compound semiconductor laser and method of manufacturing the same

TOSHIBA KK51 citations96
US6080599AJun 27, 2000

Semiconductor optoelectric device and method of manufacturing the same

TOSHIBA KK37 citations96
US5987048ANov 16, 1999

Gallium nitride-based compound semiconductor laser and method of manufacturing the same

TOSHIBA KK76 citations96
US5978139ANov 2, 1999

Diffraction grating lens and optical disk recording/reproducing apparatus using the same

TOSHIBA KK88 citations96
US5780873AJul 14, 1998

Semiconductor device capable of easily forming cavity and its manufacturing method

TOSHIBA KK68 citations96
US5693963ADec 2, 1997

Compound semiconductor device with nitride

TOSHIBA KK96 citations96
US6252894B1Jun 26, 2001

Semiconductor laser using gallium nitride series compound semiconductor

TOSHIBA KK132 citations95
US7525127B2Apr 28, 2009

Semiconductor light emitting device

TOSHIBA KK28 citations93
US6359919B1Mar 19, 2002

Gallium nitride-based compound semiconductor laser and method of manufacturing the same

TOSHIBA KK35 citations93
US5966396AOct 12, 1999

Gallium nitride-based compound semiconductor laser and method of manufacturing the same

TOSHIBA KK40 citations93

NISSAN MOTOR

5 patents

NANOGEOMETRY RES INC

3 patents

MITSUBISHI ELECTRIC CORP

3 patents

YAMAMOTO MASAHIRO

2 patents

PANASONIC ELEC WORKS CO LTD

2 patents

ONODA CEMENT CO LTD

2 patents

HITACHI SHIPBUILDING ENG CO

2 patents

NANOGEOMETRY RES

1 patent

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

1 patent

AGENCY SCIENCE & TECH

1 patent

HATTORI YASUSHI

1 patent

TOTO LTD

1 patent

THOMAS & BETTS INT

1 patent

NITTO BOSEKI CO LTD

1 patent

DAINIPPON SCREEN MFG

1 patent

KYOCERA CORP

1 patent

YAMAHA MOTOR CO LTD

1 patent

ITO KENZO

1 patent

PANASONIC CORP

1 patent

HITACHI LTD

1 patent

Showing the top 50 of 341 patents by PatentIndex Score.