Masashi UMEHARA

Follow

Person

Yokohama Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Circuit substrate and semiconductor device
- Patent number 10,790,214
- Issue date Sep 29, 2020
- Kabushiki Kaisha Toshiba
- Takayuki Naba
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Circuit substrate and semiconductor device
- Patent number 10,515,868
- Issue date Dec 24, 2019
- Kabushiki Kaisha Toshiba
- Takayuki Naba
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Silicon nitride circuit board and electronic component module using...
- Patent number 10,366,938
- Issue date Jul 30, 2019
- Kabushiki Kaisha Toshiba
- Hiromasa Kato
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Silicon nitride circuit board and electronic component module using...
- Patent number 10,109,555
- Issue date Oct 23, 2018
- Kabushiki Kaisha Toshiba
- Hiromasa Kato
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
CIRCUIT SUBSTRATE AND SEMICONDUCTOR DEVICE
- Publication number 20200013696
- Publication date Jan 9, 2020
- Kabushiki Kaisha Toshiba
- Takayuki NABA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SILICON NITRIDE CIRCUIT BOARD AND ELECTRONIC COMPONENT MODULE USING...
- Publication number 20190006261
- Publication date Jan 3, 2019
- Kabushiki Kaisha Toshiba
- Hiromasa KATO
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
SILICON NITRIDE CIRCUIT BOARD AND ELECTRONIC COMPONENT MODULE USING...
- Publication number 20180019182
- Publication date Jan 18, 2018
- Kabushiki Kaisha Toshiba
- Hiromasa KATO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CIRCUIT SUBSTRATE AND SEMICONDUCTOR DEVICE
- Publication number 20180005918
- Publication date Jan 4, 2018
- Kabushiki Kaisha Toshiba
- Takayuki NABA
- H01 - BASIC ELECTRIC ELEMENTS