Keizo TAKEMASA

Follow

Person

Kawasaki-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Semiconductor device
- Patent number 12,149,053
- Issue date Nov 19, 2024
- Denso Corporation
- Hitoshi Yamada
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Semiconductor laser device
- Patent number 11,764,546
- Issue date Sep 19, 2023
- Denso Corporation
- Yuki Kamata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor light-emitting element
- Patent number 9,865,771
- Issue date Jan 9, 2018
- QD LASER, INC.
- Kenichi Nishi
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
SEMICONDUCTOR DEVICE
- Publication number 20230327406
- Publication date Oct 12, 2023
- DENSO CORPORATION
- Hitoshi YAMADA
- B82 - NANO-TECHNOLOGY
Information Patent Application
OPTICAL SEMICONDUCTOR DEVICE
- Publication number 20230027143
- Publication date Jan 26, 2023
- DENSO CORPORATION
- YUKI KAMATA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL SEMICONDUCTOR DEVICE AND SEMICONDUCTOR LASER DEVICE
- Publication number 20220344906
- Publication date Oct 27, 2022
- DENSO CORPORATION
- Hiroyuki TARUMI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR LASER DEVICE
- Publication number 20220158415
- Publication date May 19, 2022
- DENSO CORPORATION
- Yuki KAMATA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR LIGHT-EMITTING ELEMENT
- Publication number 20160336480
- Publication date Nov 17, 2016
- QD LASER, INC.
- Kenichi NISHI
- H01 - BASIC ELECTRIC ELEMENTS