Yoshimitsu Niwa

Follow

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Vacuum valve
- Patent number 10,026,570
- Issue date Jul 17, 2018
- Kabushiki Kaisha Toshiba
- Yoshimitsu Niwa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrode arrangement of vacuum circuit breaker with magnetic membe...
- Patent number 6,080,952
- Issue date Jun 27, 2000
- Kabushiki Kaisha Toshiba
- Tsutomu Okutomi
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
VACUUM VALVE
- Publication number 20170032914
- Publication date Feb 2, 2017
- Kabushiki Kaisha Toshiba
- Yoshimitsu Niwa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
APPARATUS AND METHOD FOR INTERRUPTING DIRECT CURRENT
- Publication number 20150280421
- Publication date Oct 1, 2015
- KABUSHIKI KAISHA TOSHIBA
- Yoshimitsu NIWA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER