Akira YAMAGISHI

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Leakage oil detection device and leakage oil detection method
- Patent number 11,994,448
- Issue date May 28, 2024
- Hitachi, Ltd.
- Li Lu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Work terminal, oil leakage detection apparatus, and oil leakage det...
- Patent number 11,494,888
- Issue date Nov 8, 2022
- Hitachi, Ltd.
- Li Lu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Core for stationary induction apparatus
- Patent number 10,978,237
- Issue date Apr 13, 2021
- Hitachi, Ltd.
- Chie Kobayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Oil leakage detector and oil leakage detection method and image pro...
- Patent number 10,755,442
- Issue date Aug 25, 2020
- Hitachi, Ltd.
- Li Lu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Stationary induction apparatus
- Patent number 10,665,382
- Issue date May 26, 2020
- Hitachi, Ltd.
- Naoya Miyamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Stationary induction apparatus core
- Patent number 10,665,381
- Issue date May 26, 2020
- Hitachi, Ltd.
- Chie Kobayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Stationary induction electrical apparatus
- Patent number 10,658,106
- Issue date May 19, 2020
- Hitachi, Ltd.
- Youichirou Yamada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Stationary induction apparatus
- Patent number 10,629,355
- Issue date Apr 21, 2020
- Hitachi, Ltd.
- Shigeru Kakugawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Diagnosing device for on-load tap changing apparatus, diagnosing me...
- Patent number 10,509,021
- Issue date Dec 17, 2019
- Hitachi, Ltd.
- Li Lu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Transformer
- Patent number 10,403,427
- Issue date Sep 3, 2019
- Hitachi, Ltd.
- Yasunori Oono
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Leakage oil detection system
- Patent number 10,234,355
- Issue date Mar 19, 2019
- Hitachi, Ltd.
- Li Lu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Leakage oil detector system and method
- Patent number 10,113,933
- Issue date Oct 30, 2018
- Hitachi, Ltd.
- Li Lu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electrical insulating paper and stationary induction electrical app...
- Patent number 9,953,744
- Issue date Apr 24, 2018
- Hitachi, Ltd.
- Kohhei Aida
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Stationary induction electric apparatus
- Patent number 9,947,453
- Issue date Apr 17, 2018
- Hitachi, Ltd.
- Yasunori Ono
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Oil leakage detector and oil leakage detection method
- Patent number 9,898,830
- Issue date Feb 20, 2018
- Hitachi, Ltd.
- Li Lu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Stationary induction apparatus
- Patent number 9,711,274
- Issue date Jul 18, 2017
- Hitachi, Ltd.
- Taku Oyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Static apparatus
- Patent number 9,691,536
- Issue date Jun 27, 2017
- Hitachi, Ltd.
- Naoya Miyamoto
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Transformer Diagnostics System
- Publication number 20240288512
- Publication date Aug 29, 2024
- HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
- Takuya IWASAKI
- G01 - MEASURING TESTING
Information Patent Application
LEAKAGE OIL DETECTION DEVICE AND LEAKAGE OIL DETECTION METHOD
- Publication number 20220057291
- Publication date Feb 24, 2022
- Hitachi, Ltd
- Li Lu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Work Terminal, Oil Leakage Detection Apparatus, and Oil Leakage Det...
- Publication number 20210192710
- Publication date Jun 24, 2021
- Hitachi, Ltd.
- Li LU
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Diagnosing Device for On-Load Tap Changing Apparatus, Diagnosing Me...
- Publication number 20190101521
- Publication date Apr 4, 2019
- Hitachi, Ltd
- Li LU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Stationary Induction Apparatus
- Publication number 20180358160
- Publication date Dec 13, 2018
- Hitachi, Ltd
- Shigeru KAKUGAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Core for Stationary Induction Apparatus
- Publication number 20180233267
- Publication date Aug 16, 2018
- Hitachi, Ltd
- Chie KOBAYASHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Stationary Induction Apparatus
- Publication number 20180204670
- Publication date Jul 19, 2018
- Hitachi, Ltd
- Naoya MIYAMOTO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Stationary Induction Apparatus Core
- Publication number 20180204669
- Publication date Jul 19, 2018
- Hitachi, Ltd
- Chie KOBAYASHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Stationary Induction Apparatus
- Publication number 20180204668
- Publication date Jul 19, 2018
- Hitachi, Ltd
- Yasuhiro MATSUDA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Oil Leakage Detector and Oil Leakage Detection Method and Image Pro...
- Publication number 20180137652
- Publication date May 17, 2018
- Hitachi, Ltd
- Li LU
- G01 - MEASURING TESTING
Information Patent Application
STATIONARY INDUCTION ELECTRICAL APPARATUS
- Publication number 20180068785
- Publication date Mar 8, 2018
- Hitachi, Ltd
- Youichirou YAMADA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Transformer
- Publication number 20180040409
- Publication date Feb 8, 2018
- Hitachi, Ltd
- Yasunori OONO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LEAKAGE OIL DETECTOR SYSTEM AND METHOD
- Publication number 20170234762
- Publication date Aug 17, 2017
- Hitachi, Ltd
- Li LU
- G01 - MEASURING TESTING
Information Patent Application
Leakage Oil Detection System
- Publication number 20170016796
- Publication date Jan 19, 2017
- Hitachi, Ltd
- Li LU
- G01 - MEASURING TESTING
Information Patent Application
Oil Leakage Detector and Oil Leakage Detection Method
- Publication number 20160275699
- Publication date Sep 22, 2016
- Hitachi, Ltd
- Li LU
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Stationary Induction Electric Apparatus and Method for Making the Same
- Publication number 20160268037
- Publication date Sep 15, 2016
- Hitachi, Ltd
- Akira NISHIMIZU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Stationary Induction Electric Apparatus
- Publication number 20160247621
- Publication date Aug 25, 2016
- Hitachi, Ltd
- Yasunori ONO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Stationary Induction Apparatus
- Publication number 20160133381
- Publication date May 12, 2016
- Hitachi, Ltd
- Takuya OJIMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Stationary Induction Apparatus
- Publication number 20160133382
- Publication date May 12, 2016
- Hitachi, Ltd
- Sho SUGIYAMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Stationary Induction Electric Machine
- Publication number 20160055965
- Publication date Feb 25, 2016
- Hitachi, Ltd
- Hideyuki MIYAHARA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Stationary Induction Apparatus
- Publication number 20150371767
- Publication date Dec 24, 2015
- Hitachi, Ltd
- Taku OYAMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electrical Insulating Paper and Stationary Induction Electrical App...
- Publication number 20150371730
- Publication date Dec 24, 2015
- Hitachi, Ltd
- Kohhei AIDA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Static Apparatus
- Publication number 20150213940
- Publication date Jul 30, 2015
- Hitachi, Ltd
- Naoya MIYAMOTO
- H01 - BASIC ELECTRIC ELEMENTS

Akira YAMAGISHI

Person

Patents Grantslast 30 patents

Leakage oil detection device and leakage oil detection method

Work terminal, oil leakage detection apparatus, and oil leakage det...

Core for stationary induction apparatus

Oil leakage detector and oil leakage detection method and image pro...

Stationary induction apparatus

Stationary induction apparatus core

Stationary induction electrical apparatus

Stationary induction apparatus

Diagnosing device for on-load tap changing apparatus, diagnosing me...

Transformer

Leakage oil detection system

Leakage oil detector system and method

Electrical insulating paper and stationary induction electrical app...

Stationary induction electric apparatus

Oil leakage detector and oil leakage detection method

Stationary induction apparatus

Static apparatus

Patents Applicationslast 30 patents

Transformer Diagnostics System

LEAKAGE OIL DETECTION DEVICE AND LEAKAGE OIL DETECTION METHOD

Work Terminal, Oil Leakage Detection Apparatus, and Oil Leakage Det...

Diagnosing Device for On-Load Tap Changing Apparatus, Diagnosing Me...

Stationary Induction Apparatus

Core for Stationary Induction Apparatus

Stationary Induction Apparatus

Stationary Induction Apparatus Core

Stationary Induction Apparatus

Oil Leakage Detector and Oil Leakage Detection Method and Image Pro...

STATIONARY INDUCTION ELECTRICAL APPARATUS

Transformer

LEAKAGE OIL DETECTOR SYSTEM AND METHOD

Leakage Oil Detection System

Oil Leakage Detector and Oil Leakage Detection Method

Stationary Induction Electric Apparatus and Method for Making the Same

Stationary Induction Electric Apparatus

Stationary Induction Apparatus

Stationary Induction Apparatus

Stationary Induction Electric Machine

Stationary Induction Apparatus

Electrical Insulating Paper and Stationary Induction Electrical App...

Static Apparatus