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Iruma, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Lead-free solder, and paste solder composition
Patent number
6,726,780
Issue date
Apr 27, 2004
Tamura Kaken Corporation
Takao Ono
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Soldering paste, soldering method, and surface-mounted type electro...
Patent number
6,488,781
Issue date
Dec 3, 2002
Denso Corporation
Akira Tanahashi
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Active energy beam curable composition and printed wiring board
Patent number
6,475,701
Issue date
Nov 5, 2002
Tamura Kaken Corporation
Takao Ohno
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Photosensitive resin compositions, cured films thereof, and circuit...
Patent number
6,156,462
Issue date
Dec 5, 2000
Tamura Kaken Co., Ltd.
Makoto Yanagawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Flux for soldering electronic components on circuit substrates, and...
Patent number
5,863,355
Issue date
Jan 26, 1999
Tamura Kaken Co., Ltd.
Takao Ohno
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Photosensitive resin compositions, cured films thereof, and circuit...
Patent number
5,853,957
Issue date
Dec 29, 1998
Tamura Kaken Co., Ltd.
Makoto Yanagawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Printed circuit board surface protective agent
Patent number
5,735,973
Issue date
Apr 7, 1998
Tamura Kaken Corporation
Yasumichi Sasahara
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Photopolymerizable composition
Patent number
5,723,261
Issue date
Mar 3, 1998
Tamura Kaken Co., Ltd.
Makoto Yanagawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photopolymerizable resin composition
Patent number
5,468,784
Issue date
Nov 21, 1995
Tamura Kaken Corporation
Makoto Yanagawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Photopolymerizable liquid photoimageable solder mask
Patent number
5,100,767
Issue date
Mar 31, 1992
Tamura Kaken Co., Ltd.
Makoto Yanagawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Solder powders coated with fluorine compounds, and solder pastes
Patent number
4,994,326
Issue date
Feb 19, 1991
Tamura Kaken Co., Ltd.
Takashi Shimmura
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Soldering device
Patent number
4,773,583
Issue date
Sep 27, 1988
Tamura Kaken Co., Ltd.
Ginya Ishii
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Photosensitive resin compositions
Patent number
4,764,452
Issue date
Aug 16, 1988
Tamura Kaken Co., Ltd.
Takao Ohno
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photopolymerizable polyester containing compositions
Patent number
4,293,636
Issue date
Oct 6, 1981
Tamura Kaken Co., Ltd.
Ken Okuya
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photopolymerizable ink compositions
Patent number
4,271,258
Issue date
Jun 2, 1981
Tamura Kaken Co., Ltd.
Kiyosumi Watariguchi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Patents Applications
last 30 patents
Information
Patent Application
Method of removing lead, reclaimed metals and reclaimed products
Publication number
20100112361
Publication date
May 6, 2010
TAMURA KAKEN CORPORATION
Satoru Kurita
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Thermosetting resin compositions, resin films and film articles
Publication number
20050197425
Publication date
Sep 8, 2005
TAMURA KAKEN CORPORATION
Tetsuaki Suzuki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Thermosetting resin compositions and film articles
Publication number
20050181215
Publication date
Aug 18, 2005
TAMURA KAKEN CORPORATION
Tetsuaki Suzuki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Surface treatment agents for metal films of printed circuit boards
Publication number
20050173678
Publication date
Aug 11, 2005
TAMURA KAKEN CORPORATION
Ichiro Miura
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Method of manufacturing fine metal particles, substance containing...
Publication number
20040211291
Publication date
Oct 28, 2004
TAMURA KAKEN CORPORATION
Takao Ono
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Photosensitive resin composition and printed wiring board
Publication number
20030068567
Publication date
Apr 10, 2003
TAMURA KAKEN CORPORATION
Takao Ono
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Method of manufacturing fine metal particles, substance containing...
Publication number
20030047034
Publication date
Mar 13, 2003
TAMURA KAKEN CORPORATION
Takao Ono
B22 - CASTING POWDER METALLURGY
Trademark
last 30 trademarks