Hirofumi Kawai

Follow

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Semiconductor device having an insulator between source and drain r...
- Patent number 11,362,208
- Issue date Jun 14, 2022
- Kabushiki Kaisha Toshiba
- Hirofumi Kawai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device having a trench for isolating elements and a t...
- Patent number 5,675,173
- Issue date Oct 7, 1997
- Kabushiki Kaisha Toshiba
- Hirofumi Kawai
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
SEMICONDUCTOR DEVICE
- Publication number 20250022952
- Publication date Jan 16, 2025
- Kabushiki Kaisha Toshiba
- Hyuga SAITO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE
- Publication number 20230261105
- Publication date Aug 17, 2023
- Kabushiki Kaisha Toshiba
- Takuya YASUTAKE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE AND METHOD FOR PRODUCING THE SAME
- Publication number 20200287045
- Publication date Sep 10, 2020
- Kabushiki Kaisha Toshiba
- Hirofumi KAWAI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE
- Publication number 20200091341
- Publication date Mar 19, 2020
- Kabushiki Kaisha Toshiba
- Yasunori Iwatsu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor device and method for manufacturing a semiconductor d...
- Publication number 20040097049
- Publication date May 20, 2004
- Kabushiki Kaisha Toshiba
- Hirofumi Kawai
- H01 - BASIC ELECTRIC ELEMENTS