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Noriyoshi Yamauchi
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Fuchu, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method for discharging gas out of metal molds and apparatus therefor
Patent number
5,460,218
Issue date
Oct 24, 1995
Ryobi Ltd
Tomoyoshi Miwa
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Low pressure die-casting machine and low pressure die-casting method
Patent number
5,390,724
Issue date
Feb 21, 1995
Ryobi Ltd.
Noriyoshi Yamauchi
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Apparatus for detecting defects at gas exhaust line in casting mach...
Patent number
5,379,826
Issue date
Jan 10, 1995
Ryobi Ltd.
Tomoyoshi Miwa
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Laminar flow injection molding apparatus and laminar flow injection...
Patent number
5,361,826
Issue date
Nov 8, 1994
Ryobi Ltd.
Noriyoshi Yamauchi
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Metal mold cooling device
Patent number
5,285,841
Issue date
Feb 15, 1994
Ryobi Ltd.
Noriyoshi Yamauchi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Automatic molten metal supplying device
Patent number
5,285,934
Issue date
Feb 15, 1994
Ryobi, Ltd.
Noriyoshi Yamauchi
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Automatic molten metal supplying device and method for supplying th...
Patent number
5,250,103
Issue date
Oct 5, 1993
Ryobi Ltd.
Noriyoshi Yamauchi
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Gas venting arrangement in high speed injection molding apparatus a...
Patent number
4,986,338
Issue date
Jan 22, 1991
Ryobi Ltd.
Noriyoshi Yamauchi
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Gas venting arrangement in injection molding apparatus and method f...
Patent number
4,852,634
Issue date
Aug 1, 1989
Ryobi Ltd.
Kazuaki Kawai
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Deflator for use in injection molding machine
Patent number
4,722,385
Issue date
Feb 2, 1988
Ryobi Ltd.
Noriyoshi Yamauchi
B22 - CASTING POWDER METALLURGY