P

Inventor

TASAI KUNIHIKO

JP12 patents
⚠️ This page may combine multiple inventors who share the name “TASAI KUNIHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SONY CORP

5 patents
US11984533B2May 14, 2024

Light emitting device using a gallium nitride (GaN) based material

SONY CORP0 citations61
US9231375B2Jan 5, 2016

Semiconductor device

SONY CORP1 citations51
US8050305B2Nov 1, 2011

Semiconductor device

SONY CORP0 citations51
US10236663B2Mar 19, 2019

Semiconductor optical device

SONY CORP0 citations40
US9871349B2Jan 16, 2018

Light-emitting element

SONY CORP0 citations36

SUMITOMO ELECTRIC INDUSTRIES

2 patents
US8923354B2Dec 30, 2014

Nitride semiconductor laser, epitaxial substrate

SUMITOMO ELECTRIC INDUSTRIES0 citations41
US8731016B2May 20, 2014

Nitride semiconductor light emitting device

SUMITOMO ELECTRIC INDUSTRIES0 citations41

KYONO TAKASHI

1 patent
US8718110B2May 6, 2014

Nitride semiconductor laser and epitaxial substrate

KYONO TAKASHI6 citations72

FUJITSU LTD

1 patent
US4200461AApr 29, 1980

Xanthene type acid dye and a base dye-sensitized zinc oxide photoconductive element

FUJITSU LTD0 citations50

SONY GROUP CORP

1 patent
US12126142B2Oct 22, 2024

Nitride semiconductor laser device and method of manufacturing nitride semiconductor laser device

SONY GROUP CORP0 citations49

HITACHI LTD

1 patent
US7899104B2Mar 1, 2011

EL semiconductor device

HITACHI LTD0 citations41

KUMANO TETSUYA

1 patent
US8477818B2Jul 2, 2013

Gallium nitride-based semiconductor laser device, and method for fabricating gallium nitride-based semiconductor laser device

KUMANO TETSUYA0 citations33