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Seita IWAHASHI
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Kyoto-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Power semiconductor apparatus and fabrication method for the same
Patent number
11,848,295
Issue date
Dec 19, 2023
Rohm Co., Ltd.
Takukazu Otsuka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Power semiconductor apparatus and fabrication method for the same
Patent number
11,302,665
Issue date
Apr 12, 2022
Rohm Co., Ltd.
Takukazu Otsuka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Power module and inverter equipment
Patent number
10,748,826
Issue date
Aug 18, 2020
Rohm Co., Ltd.
Seita Iwahashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Two dimensional photonic crystal vertical cavity surface emitting l...
Patent number
9,444,222
Issue date
Sep 13, 2016
Rohm Co., Ltd.
Takui Sakaguchi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Two-dimensional photonic crystal surface emitting laser
Patent number
9,088,133
Issue date
Jul 21, 2015
Kyoto University
Susumu Noda
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Photonic crystal surface emission laser
Patent number
8,619,830
Issue date
Dec 31, 2013
Kyoto University
Susumu Noda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Two-dimensional photonic crystal laser
Patent number
8,300,672
Issue date
Oct 30, 2012
Japan Science and Technology Agency
Susumu Noda
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
POWER SEMICONDUCTOR APPARATUS AND FABRICATION METHOD FOR THE SAME
Publication number
20240063164
Publication date
Feb 22, 2024
Rohm Co., Ltd.
Takukazu OTSUKA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
POWER SEMICONDUCTOR APPARATUS AND FABRICATION METHOD FOR THE SAME
Publication number
20220189904
Publication date
Jun 16, 2022
ROHM CO., LTD.
Takukazu OTSUKA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
POWER SEMICONDUCTOR APPARATUS AND FABRICATION METHOD FOR THE SAME
Publication number
20200075529
Publication date
Mar 5, 2020
ROHM CO., LTD.
Takukazu OTSUKA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
POWER MODULE AND INVERTER EQUIPMENT
Publication number
20190252279
Publication date
Aug 15, 2019
ROHM CO., LTD.
Seita Iwahashi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
POWER MODULE
Publication number
20190035771
Publication date
Jan 31, 2019
ROHM CO., LTD.
Seita IWAHASHI
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
SEMICONDUCTOR DEVICE, AND POWER MODULE
Publication number
20180350710
Publication date
Dec 6, 2018
ROHM CO., LTD.
Seita IWAHASHI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
POWER MODULE AND INVERTER EQUIPMENT
Publication number
20180138100
Publication date
May 17, 2018
ROHM CO., LTD.
Seita Iwahashi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
TWO DIMENSIONAL PHOTONIC CRYSTAL SURFACE EMITTING LASERS
Publication number
20140355635
Publication date
Dec 4, 2014
Rohm Co., Ltd.
Seita IWAHASHI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
TWO DIMENSIONAL PHOTONIC CRYSTAL VERTICAL CAVITY SURFACE EMITTING L...
Publication number
20140348195
Publication date
Nov 27, 2014
Rohm Co., Ltd.
Takui SAKAGUCHI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
TWO-DIMENSIONAL PHOTONIC CRYSTAL SURFACE EMITTING LASER
Publication number
20130243026
Publication date
Sep 19, 2013
ROHM CO., LTD.
Susumu NODA
B82 - NANO-TECHNOLOGY
Information
Patent Application
PHOTONIC CRYSTAL SURFACE EMISSION LASER
Publication number
20130039375
Publication date
Feb 14, 2013
ROHM CO., LTD.
Susumu NODA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
TWO-DIMENSIONAL PHOTONIC CRYSTAL LASER
Publication number
20110188526
Publication date
Aug 4, 2011
Japan Science and Technology Agency
Susumu Noda
H01 - BASIC ELECTRIC ELEMENTS