Inventor

TSUTSUMI KAZUAKI

JP10 patents

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

ROHM CO LTD

7 patents

US8053756B2Nov 8, 2011

Nitride semiconductor light emitting element

ROHM CO LTD9 citations83

US10529903B2Jan 7, 2020

Light emitting device and light emitting device package

ROHM CO LTD0 citations51

US9991430B2Jun 5, 2018

Light emitting device and light emitting device package

ROHM CO LTD0 citations51

US9281444B2Mar 8, 2016

Light emitting device and light emitting device package

ROHM CO LTD0 citations51

US10263150B2Apr 16, 2019

Semiconductor light emitting device capable of increasing luminous efficiency under a low applied current

ROHM CO LTD0 citations50

US9876137B2Jan 23, 2018

Semiconductor light emitting device

ROHM CO LTD0 citations39

US10497831B2Dec 3, 2019

Semiconductor light emitting element and manufacturing method thereof

ROHM CO LTD0 citations37

MATSUI NOBUAKI

1 patent

US8686433B2Apr 1, 2014

Light emitting device and light emitting device package

MATSUI NOBUAKI5 citations82

NAKANISHI YASUO

1 patent

US8415682B2Apr 9, 2013

Light emitting semiconductor device having an improved outward luminosity efficiency and fabrication method for the light emitting semiconductor device

NAKANISHI YASUO9 citations82

TSUTSUMI KAZUAKI

1 patent

US8222655B2Jul 17, 2012

Semiconductor light-emitting device and process for producing the same

TSUTSUMI KAZUAKI0 citations29