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WASHI KOSAN CO., LTD., A CORP. OF JAPAN
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SOKA-SHI, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method of manufacturing an automotive wheel
Patent number
8,800,148
Issue date
Aug 12, 2014
Washi Kosan Co., Ltd.
Katsunori Yoshimura
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Manufacturing method of plastic lens and the lens
Patent number
8,025,819
Issue date
Sep 27, 2011
Washi Kosan Co., Ltd.
Kotaro Ono
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method of manufacturing light-alloy wheel for vehicle and the wheel
Patent number
7,958,636
Issue date
Jun 14, 2011
Washi Kosan Co., Ltd.
Katsunori Yoshimura
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Debt reduction method and device thereof
Patent number
7,702,573
Issue date
Apr 20, 2010
Washi Kosan Co., Ltd.
Minoru Ono
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method of producing wheel and the wheel
Patent number
7,523,635
Issue date
Apr 28, 2009
Washi Kosan Co., Ltd.
Kotaro Ono
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Built-up automobile/motorbike wheel of light alloy
Patent number
6,991,297
Issue date
Jan 31, 2006
Washi Kosan Co., Ltd.
Katsunori Yoshimura
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Microorganism
Patent number
6,399,056
Issue date
Jun 4, 2002
Washi Kosan Co., Ltd.
Kotaro Ono
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Kit providing independent right and left eyeglass lenses with side...
Patent number
6,183,081
Issue date
Feb 6, 2001
Washi Kosan Co., Ltd.
Kotaro Ono
G02 - OPTICS
Information
Patent Grant
Convex-microgranular surface structure
Patent number
6,075,652
Issue date
Jun 13, 2000
Washi Kosan Co., Ltd.
Kotaro Ono
G02 - OPTICS
Information
Patent Grant
Transparent article and process for producing the same
Patent number
5,709,922
Issue date
Jan 20, 1998
Hitachi, Ltd.
Masahiko Ono
G02 - OPTICS
Information
Patent Grant
Solenoid controlled valve ofr liquid preparation
Patent number
4,978,101
Issue date
Dec 18, 1990
Washi Kosan Co., Ltd.
Toshitaka Nakaya
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
LIGHT ALLOY WHEEL
Publication number
20120286562
Publication date
Nov 15, 2012
WASHI KOSAN CO., LTD.
Kotaro Ono
B60 - VEHICLES IN GENERAL
Information
Patent Application
METHOD OF MANUFACTURING LIGHT-ALLOY WHEEL FOR VEHICLE AND THE WHEEL
Publication number
20110210601
Publication date
Sep 1, 2011
Washi Kosan Co., Ltd.
Katsunori YOSHIMURA
B60 - VEHICLES IN GENERAL
Information
Patent Application
Debt reduction method and device thereof
Publication number
20060229955
Publication date
Oct 12, 2006
Washi Kosan Co., Ltd.
Minoru Ono
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Framed lens, pattern paper for assembling the same, right and left...
Publication number
20010001246
Publication date
May 17, 2001
Washi Kosan Co., Ltd.
Kotaro Ono
G02 - OPTICS
Trademark
last 30 trademarks
Information
Trademark
79087298 - DURA WHEEL
Serial number
79087298
Registration number
4040307
Filing date
Sep 6, 2010
WASHI KOSAN CO., LTD.
12 - Vehicles
Information
Trademark
77630198 - DF DOUBLE FORGED
Serial number
77630198
Registration number
3815246
Filing date
Dec 10, 2008
WASHI KOSAN CO., LTD.
12 - Vehicles
Information
Trademark
77630039 - SF SUPER FORGED
Serial number
77630039
Filing date
Dec 10, 2008
WASHI KOSAN CO., LTD.
12 - Vehicles
Information
Trademark
77622240 - DFW
Serial number
77622240
Registration number
3811665
Filing date
Nov 26, 2008
WASHI KOSAN CO., LTD.
12 - Vehicles