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Naoki Yoshida
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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Pipe joint
Patent number
7,571,939
Issue date
Aug 11, 2009
Piolax, Inc.
Naoki Yoshida
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Piping connector and method of fabricating the same
Patent number
7,516,989
Issue date
Apr 14, 2009
Piolax, Inc
Naoki Yoshida
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Pipe joint
Patent number
7,478,611
Issue date
Jan 20, 2009
Piolax, Inc.
Naoki Yoshida
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Spinel ferrimagnetic particles and magnetic recording medium
Patent number
7,399,523
Issue date
Jul 15, 2008
Meiji University Legal Person
Hiroshi Yamamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Piping connector
Patent number
7,387,318
Issue date
Jun 17, 2008
Piolax Inc.
Naoki Yoshida
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Accounting system and method for processing transaction data
Patent number
7,254,554
Issue date
Aug 7, 2007
Fujitsu Limited
Kazuo Tawara
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Corrugated resin tube
Patent number
6,755,217
Issue date
Jun 29, 2004
Piolax Inc.
Naoki Yoshida
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Backlighting device with a transparent sheet having straight ridges
Patent number
5,735,590
Issue date
Apr 7, 1998
Tosoh Corporation
Keiji Kashima
G02 - OPTICS
Information
Patent Grant
Backlighting device
Patent number
5,730,518
Issue date
Mar 24, 1998
Tosoh Corporation
Keiji Kashima
G02 - OPTICS
Information
Patent Grant
Backlighting device free of a bright line
Patent number
5,688,035
Issue date
Nov 18, 1997
Tosoh Corporation
Keiji Kashima
G02 - OPTICS
Information
Patent Grant
Back lighting device
Patent number
5,647,655
Issue date
Jul 15, 1997
Tosoh Corporation
Keiji Kashima
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Backlighting device
Patent number
5,618,095
Issue date
Apr 8, 1997
Tosoh Corporation
Keiji Kashima
F21 - LIGHTING
Information
Patent Grant
Backlighting device
Patent number
5,521,797
Issue date
May 28, 1996
Tosoh Corporation
Keiji Kashima
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Backlighting device
Patent number
5,442,523
Issue date
Aug 15, 1995
Tosoh Corporation
Keiji Kashima
G02 - OPTICS
Information
Patent Grant
Back lighting device
Patent number
5,392,199
Issue date
Feb 21, 1995
Tosoh Corporation
Keiji Kashima
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Backlighting device
Patent number
5,289,351
Issue date
Feb 22, 1994
Tosoh Corporation
Keiji Kashima
G02 - OPTICS
Information
Patent Grant
Back lighting device
Patent number
5,262,928
Issue date
Nov 16, 1993
Tosoh Corporation
Keiji Kashima
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Back lighting device for a panel
Patent number
5,093,765
Issue date
Mar 3, 1992
Tosoh Corporation
Keiji Kashima
G02 - OPTICS
Information
Patent Grant
Back lighting device for a liquid crystal panel
Patent number
4,937,709
Issue date
Jun 26, 1990
Tosoh Corporation
Eiichi Yanagi
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
Pipe joint
Publication number
20050235929
Publication date
Oct 27, 2005
Piolax Inc.
Naoki Yoshida
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
Pipe joint
Publication number
20050136741
Publication date
Jun 23, 2005
Piolax Inc.
Naoki Yoshida
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Piping connector and method of fabricating the same
Publication number
20040183301
Publication date
Sep 23, 2004
Piolax Inc.
Naoki Yoshida
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Piping connector
Publication number
20040178629
Publication date
Sep 16, 2004
Piolax Inc.
Naoki Yoshida
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Accounting system and method for processing transaction data
Publication number
20030050876
Publication date
Mar 13, 2003
STAAS & HALSEY LLP
Kazuo Tawara
G06 - COMPUTING CALCULATING COUNTING