Shimpei Hirokawa

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Shibukawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electron source and production method therefor
- Patent number 11,152,185
- Issue date Oct 19, 2021
- DENKA COMPANY LIMITED
- Toshiyuki Morishita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron source and production method therefor
- Patent number 10,957,511
- Issue date Mar 23, 2021
- DENKA COMPANY LIMITED
- Toshiyuki Morishita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron source and production method therefor
- Patent number 10,553,390
- Issue date Feb 4, 2020
- DENKA COMPANY LIMITED
- Toshiyuki Morishita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Enclosure and method for handling electron gun or ion gun
- Patent number 9,496,673
- Issue date Nov 15, 2016
- DENKA COMPANY LIMITED
- Toshiyuki Morishita
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
ELECTRON SOURCE AND PRODUCTION METHOD THEREFOR
- Publication number 20210193427
- Publication date Jun 24, 2021
- DENKA COMPANY LIMITED
- Toshiyuki MORISHITA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRON SOURCE AND PRODUCTION METHOD THEREFOR
- Publication number 20200126750
- Publication date Apr 23, 2020
- DENKA COMPANY LIMITED
- Toshiyuki MORISHITA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRON SOURCE AND PRODUCTION METHOD THEREFOR
- Publication number 20190221399
- Publication date Jul 18, 2019
- DENKA COMPANY LIMITED
- Toshiyuki MORISHITA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ENCLOSURE AND METHOD FOR HANDLING ELECTRIC GUN OR ION GUN
- Publication number 20140000104
- Publication date Jan 2, 2014
- DENKI KAGAKU KOGYO KABUSHIKI KAISHA
- Toshiyuki Morishita
- H01 - BASIC ELECTRIC ELEMENTS