Junichiro ISHIKAWA

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Short-circuit protection circuit for self-arc-extinguishing type se...
- Patent number 11,070,046
- Issue date Jul 20, 2021
- Mitsubishi Electric Corporation
- Yoshitaka Naka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gate driving circuit for insulated gate-type power semiconductor el...
- Patent number 9,966,947
- Issue date May 8, 2018
- Mitsubishi Electric Corporation
- Kazuhiro Otsu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Composite semiconductor switching device
- Patent number 9,419,605
- Issue date Aug 16, 2016
- Mitsubishi Electric Corporation
- Junichiro Ishikawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
AC-DC power converting apparatus having sub-converters connected in...
- Patent number 8,576,593
- Issue date Nov 5, 2013
- Mitsubishi Electric Corporation
- Osamu Mori
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Elevator maintenance/operation apparatus
- Patent number 6,405,834
- Issue date Jun 18, 2002
- Mitsubishi Denki Kabushiki Kaisha
- Akihiro Chida
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Moveable control panel for elevators
- Patent number 6,230,845
- Issue date May 15, 2001
- Mitsubishi Denki Kabushiki Kaisha
- Shigeki Yamakawa
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
SEMICONDUCTOR DRIVE DEVICE AND POWER CONVERSION DEVICE COMPRISING SAME
- Publication number 20250132757
- Publication date Apr 24, 2025
- Mitsubishi Electric Corporation
- Kohei ONDA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
NOISE SUPPRESSION DEVICE
- Publication number 20240097557
- Publication date Mar 21, 2024
- Mitsubishi Electric Corporation
- Junichiro ISHIKAWA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SHORT-CIRCUIT PROTECTION CIRCUIT FOR SELF-ARC-EXTINGUISHING TYPE SE...
- Publication number 20170288385
- Publication date Oct 5, 2017
- MITSUBISHI ELECTRIC CORPORATION
- Yoshitaka NAKA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
GATE DRIVING CIRCUIT FOR INSULATED GATE-TYPE POWER SEMICONDUCTOR EL...
- Publication number 20170179950
- Publication date Jun 22, 2017
- MITSUBISHI ELECTRIC CORPORATION
- Kazuhiro OTSU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
COMPOSITE SEMICONDUCTOR SWITCHING DEVICE
- Publication number 20150116024
- Publication date Apr 30, 2015
- Mitsubishi Electric Corporation
- Junichiro Ishikawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER CONVERTING APPARATUS
- Publication number 20110280049
- Publication date Nov 17, 2011
- Mitsubishi Electric Corporation
- Osamu Mori
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
ELECTRIC-POWER SUPPLY SYSTEM FOR ELEVATOR
- Publication number 20100187045
- Publication date Jul 29, 2010
- Junichiro Ishikawa
- B66 - HOISTING LIFTING HAULING

Junichiro ISHIKAWA

Person

Patents Grantslast 30 patents

Short-circuit protection circuit for self-arc-extinguishing type se...

Gate driving circuit for insulated gate-type power semiconductor el...

Composite semiconductor switching device

AC-DC power converting apparatus having sub-converters connected in...

Elevator maintenance/operation apparatus

Moveable control panel for elevators

Patents Applicationslast 30 patents

SEMICONDUCTOR DRIVE DEVICE AND POWER CONVERSION DEVICE COMPRISING SAME

NOISE SUPPRESSION DEVICE

SHORT-CIRCUIT PROTECTION CIRCUIT FOR SELF-ARC-EXTINGUISHING TYPE SE...

GATE DRIVING CIRCUIT FOR INSULATED GATE-TYPE POWER SEMICONDUCTOR EL...

COMPOSITE SEMICONDUCTOR SWITCHING DEVICE

POWER CONVERTING APPARATUS

ELECTRIC-POWER SUPPLY SYSTEM FOR ELEVATOR