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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method of fabricating a light-shielding blade composed of beryllium...
Patent number
6,502,296
Issue date
Jan 7, 2003
Copal Company Limited
Noribumi Tachihara
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Motor with output shaft having lead screw portion and pre-load gene...
Patent number
6,317,287
Issue date
Nov 13, 2001
Copal Company Limited
Tetsushi Yano
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Mechanism for preventing uneven take-up of tape
Patent number
6,131,840
Issue date
Oct 17, 2000
Fujitsu Limited
Hirataka Ukai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Light shielding blade for camera made of para-orientation aromatic...
Patent number
6,001,465
Issue date
Dec 14, 1999
Copal Company Limited
Shigemi Takahashi
B32 - LAYERED PRODUCTS
Information
Patent Grant
Photographic developing/printing apparatus
Patent number
5,943,119
Issue date
Aug 24, 1999
Copal Company Limited
Hideki Yamaguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Magneto-optical disk apparatus having an ejector arm and magnetic f...
Patent number
5,917,796
Issue date
Jun 29, 1999
Copal Company Limited
Mitsuo Takahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Fluid bearing
Patent number
5,848,844
Issue date
Dec 15, 1998
Copal Company Limited
Toshinori Hijiya
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Sign display apparatus
Patent number
5,809,676
Issue date
Sep 22, 1998
Copal Company Limited
Katsuyuki Sukumoda
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Surface emission apparatus
Patent number
5,775,791
Issue date
Jul 7, 1998
Copal Company Limited
Yukio Yoshikawa
G02 - OPTICS
Information
Patent Grant
Magneto-optical disk apparatus having a ejector arm and magnetic fi...
Patent number
5,771,217
Issue date
Jun 23, 1998
Copal Company Limited
Mitsuo Takahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Light-emitting diode indicator
Patent number
D388123
Issue date
Dec 23, 1997
Copal Company Limited
Katsuyuki Sukumoda
D20 - Sales and advertising equipment
Information
Patent Grant
Absolute encoder generating phase-shifted triangular waveforms to p...
Patent number
5,699,058
Issue date
Dec 16, 1997
Copal Company Limited
Mitsuru Yanagisawa
G01 - MEASURING TESTING
Information
Patent Grant
Film feeder for automatic developing machine
Patent number
5,669,030
Issue date
Sep 16, 1997
Copal Company Limited
Akira Oshiro
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Position sensor
Patent number
5,600,392
Issue date
Feb 4, 1997
Copal Company Limited
Tetsuo Sakamoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Compact, high resolution optical displacement detector
Patent number
5,539,519
Issue date
Jul 23, 1996
Copal Company Limited
Masaaki Takagi
G01 - MEASURING TESTING
Information
Patent Grant
Capacitor coupled potentiometer
Patent number
5,525,955
Issue date
Jun 11, 1996
Copal Company Limited
Yoshihide Tonogai
G01 - MEASURING TESTING
Information
Patent Grant
Focal plane shutter for use in a photographic camera
Patent number
5,508,773
Issue date
Apr 16, 1996
Copal Company Limited
Hiroshi Miyazaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Printing apparatus
Patent number
5,478,157
Issue date
Dec 26, 1995
Sony Corporation
Nobuo Kohno
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Shutter blades drive mechanism for photographic cameras
Patent number
5,446,514
Issue date
Aug 29, 1995
Copal Company Limited
Junichi Matsumoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Opening/closing door mechanism for a recording/reproducing apparatus
Patent number
5,408,459
Issue date
Apr 18, 1995
Copal Company Limited
Eiji Kawaguchi
G11 - INFORMATION STORAGE
Information
Patent Grant
Recording medium cartridge handling mechanism in library apparatus
Patent number
5,402,283
Issue date
Mar 28, 1995
Fujitsu Limited
Kengo Yamakawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical scanner having laser diode as light source
Patent number
5,343,029
Issue date
Aug 30, 1994
Fujitsu Ltd.
Hiroaki Katoh
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Hinged displacement sensor
Patent number
5,323,118
Issue date
Jun 21, 1994
Copal Company, Limited
Yoshihide Tonogai
G01 - MEASURING TESTING
Information
Patent Grant
Brake device for focal plane shutter
Patent number
5,315,335
Issue date
May 24, 1994
Copal Company Limited
Ken-ichi Watabe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Control unit for a program shutter
Patent number
5,287,140
Issue date
Feb 15, 1994
Copal Company Limited
Takanori Kohno
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Camera shutter device incorporated with lens shifting mechanism
Patent number
5,258,797
Issue date
Nov 2, 1993
Copal Company Limited
Masato Oyoshi
G02 - OPTICS
Information
Patent Grant
Capacitive acceleration sensor with free diaphragm
Patent number
5,253,526
Issue date
Oct 19, 1993
Copal Company Limited
Atsushi Omura
G01 - MEASURING TESTING
Information
Patent Grant
Shutter blade opening and closing device
Patent number
5,255,037
Issue date
Oct 19, 1993
Copal Company Limited
Kouichi Kobayashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Multi-layered optical filter film and production method thereof
Patent number
5,241,417
Issue date
Aug 31, 1993
Copal Company Limited
Toshisada Sekiguchi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Focus adjusting apparatus for an optical pickup apparatus
Patent number
5,200,942
Issue date
Apr 6, 1993
Copal Company Ltd.
Nobuhiko Hosobata
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
73512656 - COPAL
Serial number
73512656
Registration number
1393836
Filing date
Dec 10, 1984
COPAL COMPANY LIMITED
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73512655 - COPAL
Serial number
73512655
Registration number
1345662
Filing date
Dec 10, 1984
COPAL COMPANY LIMITED
7 - Machines and machine tools
Information
Trademark
73382877 - COPAL
Serial number
73382877
Registration number
1276769
Filing date
Aug 31, 1982
Copal Company Limited
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73382876 - FOTO FIRST
Serial number
73382876
Registration number
1283093
Filing date
Aug 31, 1982
Copal Company Limited
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments