Yoshihisa KIYOTOKI

Person

Hitachi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Fluid contact member and method of manufacturing fluid contact member
- Patent number 11,946,554
- Issue date Apr 2, 2024
- Hitachi-GE Nuclear Energy, Ltd.
- Hirotsugu Kawanaka
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method of manufacturing transition piece and transition piece
- Patent number 11,684,976
- Issue date Jun 27, 2023
- Hitachi-GE Nuclear Energy, Ltd.
- Yukari Nakayama
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Water injection device
- Patent number 10,872,704
- Issue date Dec 22, 2020
- Hitachi-GE Nuclear Energy, Ltd.
- Daisuke Hirasawa
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Butterfly valve formed of a laminated material
- Patent number 10,260,651
- Issue date Apr 16, 2019
- Hitachi - GE Nuclear Energy, Ltd.
- Yoshiharu Kawahara
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Gas supply apparatus and air or nitrogen supply apparatus of nuclea...
- Patent number 9,916,908
- Issue date Mar 13, 2018
- Hitachi - GE Nuclear Energy, Ltd.
- Ryo Kubota
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Valves having high wear-resistance and high corrosion-resistance
- Patent number 8,888,069
- Issue date Nov 18, 2014
- Hitachi-GE Nuclear Energy, Ltd.
- Yusaku Maruno
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Monitoring system for valve device
- Patent number 7,584,668
- Issue date Sep 8, 2009
- Hitachi, Ltd.
- Hiroyuki Ohta
- G01 - MEASURING TESTING
Information Patent Grant
Valve and manufacturing method thereof
- Patent number 6,959,916
- Issue date Nov 1, 2005
- Hitachi, Ltd.
- Mitsuo Chigasaki
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Joint construction of cobalt-based alloy
- Patent number 6,896,978
- Issue date May 24, 2005
- Hitachi, Ltd.
- Yoshihisa Kiyotoki
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Joint construction of cobalt-based alloy
- Patent number 6,889,957
- Issue date May 10, 2005
- Hitachi, Ltd.
- Yoshihisa Kiyotoki
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Joint construction of cobalt-based alloy
- Patent number 6,886,809
- Issue date May 3, 2005
- Hitachi, Ltd.
- Yoshihisa Kiyotoki
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Valve bonded with corrosion and wear proof alloy and apparatuses us...
- Patent number 6,672,330
- Issue date Jan 6, 2004
- Hitachi, Ltd.
- Mitsuo Chigasaki
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Float type liquid level meter
- Patent number 5,156,197
- Issue date Oct 20, 1992
- Hitachi, Ltd.
- Yoshihisa Kiyotoki
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
FLUID CONTACT MEMBER AND METHOD OF MANUFACTURING FLUID CONTACT MEMBER
- Publication number 20240200679
- Publication date Jun 20, 2024
- Hitachi-GE NUCLEAR ENERGY, LTD.
- Hirotsugu KAWANAKA
- B22 - CASTING POWDER METALLURGY
Information Patent Application
FLUID CONTACT MEMBER AND METHOD OF MANUFACTURING FLUID CONTACT MEMBER
- Publication number 20220025984
- Publication date Jan 27, 2022
- HITACHI-GE NUCLEAR ENERGY, LTD
- Hirotsugu KAWANAKA
- B22 - CASTING POWDER METALLURGY
Information Patent Application
Corrosion and Wear Resistant Overlay, Method for Forming Corrosion...
- Publication number 20210323085
- Publication date Oct 21, 2021
- Hitachi-GE NUCLEAR ENERGY, LTD.
- Sei HIRANO
- B22 - CASTING POWDER METALLURGY
Information Patent Application
METHOD OF MANUFACTURING TRANSITION PIECE AND TRANSITION PIECE
- Publication number 20210031264
- Publication date Feb 4, 2021
- Hitachi-GE NUCLEAR ENERGY, LTD.
- Yukari NAKAYAMA
- B22 - CASTING POWDER METALLURGY
Information Patent Application
Corrosion and Wear Resistant Overlay, Method for Forming Corrosion...
- Publication number 20190193195
- Publication date Jun 27, 2019
- Hitachi-GE NUCLEAR ENERGY, LTD.
- Sei HIRANO
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Water Injection Device
- Publication number 20180182500
- Publication date Jun 28, 2018
- Hitachi-GE NUCLEAR ENERGY, LTD.
- Daisuke HIRASAWA
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Application
Butterfly Valve
- Publication number 20170370491
- Publication date Dec 28, 2017
- HITACHI-GE NUCLEAR ENERGY, LTD
- Yoshiharu KAWAHARA
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Gas Supply Apparatus and Air or Nitrogen Supply Apparatus of Nuclea...
- Publication number 20150117585
- Publication date Apr 30, 2015
- Hitachi-GE NUCLEAR ENERGY, LTD.
- Ryo KUBOTA
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
ALTERNATIVE AIR SUPPLY AND EXHAUST PORT FOR AIR-OPERATED VALVE
- Publication number 20140254738
- Publication date Sep 11, 2014
- HITACHI-GE NUCLEAR ENERGY, LTD.
- Ryo KUBOTA
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Application
VALVES HAVING HIGH WEAR-RESISTANCE AND HIGH CORROSION-RESISTANCE
- Publication number 20110278490
- Publication date Nov 17, 2011
- Yusaku Maruno
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
MONITORING SYSTEM FOR VALVE DEVICE
- Publication number 20080034882
- Publication date Feb 14, 2008
- Hiroyuki Ohta
- G01 - MEASURING TESTING
Information Patent Application
Production of the metallic parts with the alloyed layer containing...
- Publication number 20070081916
- Publication date Apr 12, 2007
- Mitsuo Chigasaki
- B22 - CASTING POWDER METALLURGY
Information Patent Application
Production of the metallic parts with the alloyed layer containing...
- Publication number 20040247477
- Publication date Dec 9, 2004
- Mitsuo Chigasaki
- B22 - CASTING POWDER METALLURGY
Information Patent Application
Joint construction of cobalt-based alloy
- Publication number 20040056231
- Publication date Mar 25, 2004
- Hitachi, Ltd.
- Yoshihisa Kiyotoki
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Corrosion-resisting and wear-resisting alloy and device using the same
- Publication number 20030180175
- Publication date Sep 25, 2003
- Hitachi, Ltd.
- Yoshihisa Kiyotoki
- C21 - METALLURGY OF IRON
Information Patent Application
Corrosion-resisting and wear-resisting alloy and device using the same
- Publication number 20030147769
- Publication date Aug 7, 2003
- Hitachi, Ltd.
- Yoshihisa Kiyotoki
- C21 - METALLURGY OF IRON
Information Patent Application
Valve and manufacturing method thereof
- Publication number 20030132415
- Publication date Jul 17, 2003
- Hitachi, Ltd.
- Mitsuo Chigasaki
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Joint construction of cobalt-based alloy
- Publication number 20030129075
- Publication date Jul 10, 2003
- Hitachi, Ltd.
- Yoshihisa Kiyotoki
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Joint construction of cobalt-based alloy
- Publication number 20030026379
- Publication date Feb 6, 2003
- Yoshihisa Kiyotoki
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Application
Corrosion-resisting and wear-resisting alloy and device using the same
- Publication number 20020064678
- Publication date May 30, 2002
- Yoshihisa Kiyotoki
- C21 - METALLURGY OF IRON
Information Patent Application
Valve bonded with corrosion and wear proof alloy and apparatuses us...
- Publication number 20010017906
- Publication date Aug 30, 2001
- Mitsuo Chigasaki
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Yoshihisa KIYOTOKI

Person

Patents Grantslast 30 patents

Fluid contact member and method of manufacturing fluid contact member

Method of manufacturing transition piece and transition piece

Water injection device

Butterfly valve formed of a laminated material

Gas supply apparatus and air or nitrogen supply apparatus of nuclea...

Valves having high wear-resistance and high corrosion-resistance

Monitoring system for valve device

Valve and manufacturing method thereof

Joint construction of cobalt-based alloy

Joint construction of cobalt-based alloy

Joint construction of cobalt-based alloy

Valve bonded with corrosion and wear proof alloy and apparatuses us...

Float type liquid level meter

Patents Applicationslast 30 patents

FLUID CONTACT MEMBER AND METHOD OF MANUFACTURING FLUID CONTACT MEMBER

FLUID CONTACT MEMBER AND METHOD OF MANUFACTURING FLUID CONTACT MEMBER

Corrosion and Wear Resistant Overlay, Method for Forming Corrosion...

METHOD OF MANUFACTURING TRANSITION PIECE AND TRANSITION PIECE

Corrosion and Wear Resistant Overlay, Method for Forming Corrosion...

Water Injection Device

Butterfly Valve

Gas Supply Apparatus and Air or Nitrogen Supply Apparatus of Nuclea...

ALTERNATIVE AIR SUPPLY AND EXHAUST PORT FOR AIR-OPERATED VALVE

VALVES HAVING HIGH WEAR-RESISTANCE AND HIGH CORROSION-RESISTANCE

MONITORING SYSTEM FOR VALVE DEVICE

Production of the metallic parts with the alloyed layer containing...

Production of the metallic parts with the alloyed layer containing...

Joint construction of cobalt-based alloy

Corrosion-resisting and wear-resisting alloy and device using the same

Corrosion-resisting and wear-resisting alloy and device using the same

Valve and manufacturing method thereof

Joint construction of cobalt-based alloy

Joint construction of cobalt-based alloy

Corrosion-resisting and wear-resisting alloy and device using the same

Valve bonded with corrosion and wear proof alloy and apparatuses us...