Membership
Tour
Register
Log in
Kazuaki Tsutsumi
Follow
Person
Kyoto, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Light emitting device and light emitting device package
Patent number
10,529,903
Issue date
Jan 7, 2020
Rohm Co., Ltd.
Nobuaki Matsui
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor light emitting element and manufacturing method thereof
Patent number
10,497,831
Issue date
Dec 3, 2019
Rohm Co., Ltd.
Hirotaka Obuchi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor light emitting device capable of increasing luminous...
Patent number
10,263,150
Issue date
Apr 16, 2019
Rohm Co., Ltd.
Takao Fujimori
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Light emitting device and light emitting device package
Patent number
9,991,430
Issue date
Jun 5, 2018
Rohm Co., Ltd.
Nobuaki Matsui
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor light emitting device
Patent number
9,876,137
Issue date
Jan 23, 2018
Rohm Co., Ltd.
Hirotaka Obuchi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Light emitting device and light emitting device package
Patent number
9,281,444
Issue date
Mar 8, 2016
Rohm Co., Ltd.
Nobuaki Matsui
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Light emitting device and light emitting device package
Patent number
8,686,433
Issue date
Apr 1, 2014
Rohm Co., Ltd.
Nobuaki Matsui
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Light emitting semiconductor device having an improved outward lumi...
Patent number
8,415,682
Issue date
Apr 9, 2013
Rohm Co., Ltd.
Yasuo Nakanishi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor light-emitting device and process for producing the same
Patent number
8,222,655
Issue date
Jul 17, 2012
Rohm Co., Ltd.
Kazuaki Tsutsumi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Nitride semiconductor light emitting element
Patent number
8,053,756
Issue date
Nov 8, 2011
Rohm Co., Ltd.
Ken Nakahara
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
SEMICONDUCTOR LIGHT-EMITTING ELEMENT
Publication number
20230253526
Publication date
Aug 10, 2023
Rohm Co., Ltd.
Ryosuke Ishimaru
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LIGHT EMITTING DEVICE AND LIGHT EMITTING DEVICE PACKAGE
Publication number
20180083172
Publication date
Mar 22, 2018
Rohm Co., Ltd.
Nobuaki MATSUI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR LIGHT EMITTING ELEMENT AND MANUFACTURING METHOD THEREOF
Publication number
20170352781
Publication date
Dec 7, 2017
Rohm Co., Ltd.
Hirotaka OBUCHI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR LIGHT EMITTING DEVICE
Publication number
20170331004
Publication date
Nov 16, 2017
Rohm Co., Ltd.
Takao FUJIMORI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR LIGHT EMITTING DEVICE
Publication number
20160343900
Publication date
Nov 24, 2016
Rohm Co., Ltd.
Hirotaka OBUCHI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LIGHT EMITTING DEVICE AND LIGHT EMITTING DEVICE PACKAGE
Publication number
20160181489
Publication date
Jun 23, 2016
Rohm Co., Ltd.
Nobuaki MATSUI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LIGHT EMITTING DEVICE AND LIGHT EMITTING DEVICE PACKAGE
Publication number
20140191270
Publication date
Jul 10, 2014
Rohm Co., Ltd.
Nobuaki MATSUI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LIGHT EMITTING DEVICE AND LIGHT EMITTING DEVICE PACKAGE
Publication number
20130056748
Publication date
Mar 7, 2013
Rohm Co., Ltd.
Nobuaki MATSUI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR LIGHT EMITTING DEVICE AND METHOD FOR MANUFACTURING TH...
Publication number
20100102341
Publication date
Apr 29, 2010
ROHM CO., LTD.
Kazuaki Tsutsumi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Nitride semiconductor light emitting element
Publication number
20100065812
Publication date
Mar 18, 2010
ROHM CO., LTD.
Ken Nakahara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method for Manufacturing InGaN
Publication number
20100035410
Publication date
Feb 11, 2010
ROHM CO., LTD.
Masayuki Sonobe
C30 - CRYSTAL GROWTH
Information
Patent Application
Semiconductor Light-Emitting Device and Process for Producing the Same
Publication number
20090272992
Publication date
Nov 5, 2009
Rohn Co., LTD.
Kazuaki Tsutsumi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor Light Emitting Device
Publication number
20090206357
Publication date
Aug 20, 2009
Rohm Co., Ltd.
Norikazu Ito
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Nitride Semiconductor Light Emitting Element
Publication number
20090179190
Publication date
Jul 16, 2009
ROHM CO., LTD.
Ken Nakahara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Nitride Semiconductor Light Emitting Element
Publication number
20090166607
Publication date
Jul 2, 2009
ROHM CO., LTD.
Ken Nakahara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Light emitting semiconductor device and fabrication method for the...
Publication number
20090166608
Publication date
Jul 2, 2009
ROHM CO., LTD.
Yasuo Nakanishi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Nitride-Based Semiconductor Device
Publication number
20090014839
Publication date
Jan 15, 2009
Rohm Co., Ltd.
Masayuki Sonobe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor light emitting element
Publication number
20070278474
Publication date
Dec 6, 2007
ROHM CO., LTD.
Kazuaki Tsutsumi
B82 - NANO-TECHNOLOGY