Hiroshi OSHIGE

Person

Tochigi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Iron-based sintered alloy valve seat for internal combustion engine
- Patent number 11,549,408
- Issue date Jan 10, 2023
- Nippon Piston Ring Co., Ltd.
- Ayato Oikawa
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Valve seat insert excellent in wear resistance made of iron-base si...
- Patent number 10,605,374
- Issue date Mar 31, 2020
- Nippon Piston Ring Co., Ltd.
- Seisuke Takaki
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Highly wear-resistant valve seat for use in internal combustion engine
- Patent number 10,428,700
- Issue date Oct 1, 2019
- Nippon Piston Ring Co., Ltd.
- Satoshi Ikemi
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Assembly of internal combustion engine valve and valve seat
- Patent number 10,287,933
- Issue date May 14, 2019
- Nippon Piston Ring Co., Ltd.
- Satoshi Ikemi
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Valve seat insert for internal combustion engine having excellent w...
- Patent number 10,273,838
- Issue date Apr 30, 2019
- Nippon Piston Ring Co., Ltd.
- Satoshi Ikemi
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Iron-base sintered alloy material for valve seat insert and method...
- Patent number 9,803,268
- Issue date Oct 31, 2017
- Nippon Piston Ring Co., Ltd.
- Hiroshi Oshige
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Iron-based sintered alloy for valve seat, and valve seat for intern...
- Patent number 8,733,313
- Issue date May 27, 2014
- Nippon Piston Ring Co., Ltd.
- Kenichi Sato
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Valve system for internal combustion engine
- Patent number 6,318,327
- Issue date Nov 20, 2001
- Nippon Piston Ring Co., Ltd.
- Teruo Takahashi
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Process for manufacturing valve seat made of sintered FE alloy and...
- Patent number 5,975,039
- Issue date Nov 2, 1999
- Nippon Piston Ring Co., Ltd.
- Hiroshi Oshige
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Sintered Fe alloy for valve seat
- Patent number 5,895,517
- Issue date Apr 20, 1999
- Nippon Piston Ring Co., Ltd.
- Osamu Kawamura
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
IRON-BASED SINTERED ALLOY VALVE SEAT FOR INTERNAL COMBUSTION ENGINE
- Publication number 20210215071
- Publication date Jul 15, 2021
- NIPPON PISTON RING CO., LTD
- Ayato OIKAWA
- B22 - CASTING POWDER METALLURGY
Information Patent Application
SINTERED FERROUS ALLOY VALVE SEAT EXHIBITING EXCELLENT THERMAL COND...
- Publication number 20200284173
- Publication date Sep 10, 2020
- Nippon Piston Ring Co., Ltd.
- Ayato OIKAWA
- B22 - CASTING POWDER METALLURGY
Information Patent Application
VALVE SEAT INSERT EXCELLENT IN WEAR RESISTANCE MADE OF IRON-BASE SI...
- Publication number 20180149280
- Publication date May 31, 2018
- NIPPON PISTON RING CO., LTD.
- Seisuke TAKAKI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
VALVE SEAT INSERT FOR INTERNAL COMBUSTION ENGINE HAVING EXCELLENT W...
- Publication number 20170175596
- Publication date Jun 22, 2017
- NIPPON PISTON RING CO., LTD.
- Satoshi IKEMI
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
ASSEMBLY OF INTERNAL COMBUSTION ENGINE VALVE AND VALVE SEAT
- Publication number 20160326919
- Publication date Nov 10, 2016
- NIPPON PISTON RING CO., LTD.
- Satoshi IKEMI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
HIGHLY WEAR-RESISTANT VALVE SEAT FOR USE IN INTERNAL COMBUSTION ENG...
- Publication number 20150369090
- Publication date Dec 24, 2015
- NIPPON PISTON RING CO., LTD.
- Satoshi IKEMI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
IRON-BASE SINTERED ALLOY MATERIAL FOR VALVE SEAT INSERT AND METHOD...
- Publication number 20150275343
- Publication date Oct 1, 2015
- NIPPON PISTON RING CO., LTD.
- Hiroshi OSHIGE
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
IRON-BASED SINTERED ALLOY FOR VALVE SEAT, AND VALVE SEAT FOR INTERN...
- Publication number 20110023808
- Publication date Feb 3, 2011
- Nippon Piston Ring Co., Ltd.
- Kenichi Sato
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Hiroshi OSHIGE

Person

Patents Grantslast 30 patents

Iron-based sintered alloy valve seat for internal combustion engine

Valve seat insert excellent in wear resistance made of iron-base si...

Highly wear-resistant valve seat for use in internal combustion engine

Assembly of internal combustion engine valve and valve seat

Valve seat insert for internal combustion engine having excellent w...

Iron-base sintered alloy material for valve seat insert and method...

Iron-based sintered alloy for valve seat, and valve seat for intern...

Valve system for internal combustion engine

Process for manufacturing valve seat made of sintered FE alloy and...

Sintered Fe alloy for valve seat

Patents Applicationslast 30 patents

IRON-BASED SINTERED ALLOY VALVE SEAT FOR INTERNAL COMBUSTION ENGINE

SINTERED FERROUS ALLOY VALVE SEAT EXHIBITING EXCELLENT THERMAL COND...

VALVE SEAT INSERT EXCELLENT IN WEAR RESISTANCE MADE OF IRON-BASE SI...

VALVE SEAT INSERT FOR INTERNAL COMBUSTION ENGINE HAVING EXCELLENT W...

ASSEMBLY OF INTERNAL COMBUSTION ENGINE VALVE AND VALVE SEAT

HIGHLY WEAR-RESISTANT VALVE SEAT FOR USE IN INTERNAL COMBUSTION ENG...

IRON-BASE SINTERED ALLOY MATERIAL FOR VALVE SEAT INSERT AND METHOD...

IRON-BASED SINTERED ALLOY FOR VALVE SEAT, AND VALVE SEAT FOR INTERN...