Copal Company Limited

Organization

Tokyo, JP

Organizations

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Patents Grantslast 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

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Trademarklast 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

Copal Company Limited

Organization

Patents Grantslast 30 patents

Method of fabricating a light-shielding blade composed of beryllium...

Motor with output shaft having lead screw portion and pre-load gene...

Mechanism for preventing uneven take-up of tape

Light shielding blade for camera made of para-orientation aromatic...

Photographic developing/printing apparatus

Magneto-optical disk apparatus having an ejector arm and magnetic f...

Fluid bearing

Sign display apparatus

Surface emission apparatus

Magneto-optical disk apparatus having a ejector arm and magnetic fi...

Light-emitting diode indicator

Absolute encoder generating phase-shifted triangular waveforms to p...

Film feeder for automatic developing machine

Position sensor

Compact, high resolution optical displacement detector

Capacitor coupled potentiometer

Focal plane shutter for use in a photographic camera

Printing apparatus

Shutter blades drive mechanism for photographic cameras

Opening/closing door mechanism for a recording/reproducing apparatus

Recording medium cartridge handling mechanism in library apparatus

Optical scanner having laser diode as light source

Hinged displacement sensor

Brake device for focal plane shutter

Control unit for a program shutter

Camera shutter device incorporated with lens shifting mechanism

Capacitive acceleration sensor with free diaphragm

Shutter blade opening and closing device

Multi-layered optical filter film and production method thereof

Focus adjusting apparatus for an optical pickup apparatus

Trademarklast 30 trademarks

73512656 - COPAL

73512655 - COPAL

73382877 - COPAL

73382876 - FOTO FIRST