ASAHI SEIMITSU KABUSHIKI KAISHA

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Tokyo, JP

Organizations

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Patents Grantslast 30 patents

Information Patent Grant
Autofocus distance-measuring optical system
- Patent number 6,480,266
- Issue date Nov 12, 2002
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Masami Shirai
- G01 - MEASURING TESTING
Information Patent Grant
Linear-motion helicoid mechanism for CCTV camera
- Patent number 6,476,978
- Issue date Nov 5, 2002
- Asahi Seimitsu Kabushiki Kaisha
- Kazunori Takahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Integral transmitter-receiver optical communication apparatus
- Patent number 6,384,944
- Issue date May 7, 2002
- Asahi Seimitsu Kabushiki Kaisha
- Homu Takayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Incremental rotary encoder
- Patent number 6,384,405
- Issue date May 7, 2002
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Katsuhiko Kenjo
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Measurement surveying device
- Patent number D447066
- Issue date Aug 28, 2001
- Asahi Seimitsu Kabushiki Kaisha
- Homu Takayama
- D10 - Measuring, testing, or signalling instruments
Information Patent Grant
Mount shift apparatus of lens for CCTV camera
- Patent number 6,154,255
- Issue date Nov 28, 2000
- Asahi Seimitsu Kabushiki Kaisha
- Takayasu Shishido
- G02 - OPTICS
Information Patent Grant
Optical axis correcting system
- Patent number 6,141,144
- Issue date Oct 31, 2000
- Asahi Seimitsu Kabushiki Kaisha
- Masakazu Yamagata
- G02 - OPTICS
Information Patent Grant
Travel-limit circuit having a direct current motor for a lens
- Patent number 6,118,242
- Issue date Sep 12, 2000
- Asahi Seimitsu Kabushiki Kaisha
- Toru Shikano
- G02 - OPTICS
Information Patent Grant
Measurement surveying device
- Patent number D427087
- Issue date Jun 27, 2000
- Asahi Seimitsu Kabushiki Kaisha
- Kenji Kaneko
- D10 - Measuring, testing, or signalling instruments
Information Patent Grant
ND filter
- Patent number 6,078,442
- Issue date Jun 20, 2000
- Asahi Seimitsu Kabushiki Kaisha
- Eijiroh Tada
- G02 - OPTICS
Information Patent Grant
Focusing method and apparatus for a surveying instrument having an...
- Patent number 5,936,736
- Issue date Aug 10, 1999
- Asahi Seimitsu Kabushiki Kaisha
- Shinichi Suzuki
- G01 - MEASURING TESTING
Information Patent Grant
Surveying apparatus/instruments
- Patent number D411809
- Issue date Jul 6, 1999
- Asahi Seimitsu Kabushiki Kaisha
- Akira Wakabayashi
- D10 - Measuring, testing, or signalling instruments
Information Patent Grant
Focus detecting apparatus for a telescope system
- Patent number 5,877,892
- Issue date Mar 2, 1999
- Asahi Seimitsu Kabushiki Kaisha
- Satoru Nakamura
- G02 - OPTICS
Information Patent Grant
Super wide angel lens system using an aspherical lens
- Patent number 5,861,999
- Issue date Jan 19, 1999
- Asahi Seimitsu Kabushiki Kaisha
- Eijiroh Tada
- G02 - OPTICS
Information Patent Grant
Inner focus type telescope
- Patent number 5,796,517
- Issue date Aug 18, 1998
- Asahi Seimitsu Kabushiki Kaisha
- Takayuki Sensui
- G02 - OPTICS
Information Patent Grant
Mechanism for driving a blur correcting lens in a blurred image cor...
- Patent number 5,721,969
- Issue date Feb 24, 1998
- Asahi Seimitsu Kabushiki Kaisha
- Masayuki Arai
- G02 - OPTICS
Information Patent Grant
Focusing apparatus for a surveying instrument
- Patent number 5,715,101
- Issue date Feb 3, 1998
- Asahi Kogaku Kogyo K.K.
- Satoru Nakamura
- G02 - OPTICS
Information Patent Grant
Electronic measurement device
- Patent number D389418
- Issue date Jan 20, 1998
- Asahi Seimitsu Kabushiki Kaisha
- Homu Takayama
- D10 - Measuring, testing, or signalling instruments
Information Patent Grant
Surveying instrument
- Patent number D386993
- Issue date Dec 2, 1997
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Akio Fujii
- D10 - Measuring, testing, or signalling instruments
Information Patent Grant
Color separation prism assembly for C-mount camera
- Patent number 5,668,664
- Issue date Sep 16, 1997
- Asahi Seimitsu Kabushiki Kaisha
- Takayasu Shishido
- G02 - OPTICS
Information Patent Grant
Aberration correcting plate for interchangeable lens
- Patent number 5,602,682
- Issue date Feb 11, 1997
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Takayuki Ito
- G02 - OPTICS
Information Patent Grant
Fast aspherical lens system
- Patent number 5,557,472
- Issue date Sep 17, 1996
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Takayuki Ito
- G02 - OPTICS
Information Patent Grant
Lens barrel for different kinds of TV cameras
- Patent number 5,500,772
- Issue date Mar 19, 1996
- Asahi Seimitsu Kabushiki Kaisha
- Tadayoshi Ishii
- G02 - OPTICS
Information Patent Grant
Fast ultra-wide angle lens system
- Patent number 5,477,389
- Issue date Dec 19, 1995
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Takayuki Ito
- G02 - OPTICS
Information Patent Grant
Lens barrel with biasing member positioned between two annular members
- Patent number 5,453,879
- Issue date Sep 26, 1995
- Asahi Seimitsu Kabushiki Kaisha
- Tadayoshi Ishii
- G02 - OPTICS
Information Patent Grant
Zoom lens system
- Patent number 5,371,630
- Issue date Dec 6, 1994
- Asahi Kogaku Kabushiki Kaisha
- Takayuki Ito
- G02 - OPTICS
Information Patent Grant
Surveying machine for construction work
- Patent number 5,218,770
- Issue date Jun 15, 1993
- Asahi Seimitsu Kabushiki Kaisha
- Noriyuki Toga
- G01 - MEASURING TESTING
Information Patent Grant
Scale balancing device in drawing machine
- Patent number 4,837,938
- Issue date Jun 13, 1989
- Asahi Seimitsu Kabushiki Kaisha
- Masahiro Tanaka
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Temperature compensating method in automatic diaphragm control ampl...
- Patent number 4,755,759
- Issue date Jul 5, 1988
- Asahi Seimitsu Kabushiki Kaisha
- Masayuki Arai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automatic diaphragm control device for TV camera objective
- Patent number 4,737,855
- Issue date Apr 12, 1988
- Asahi Seimitsu Kabushiki Kaisha
- Masayuki Arai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

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Patents Applicationslast 30 patents

Information Patent Application
Surveying machine automatically adjusting optical axis
- Publication number 20020186361
- Publication date Dec 12, 2002
- ASAHI SEIMITSU KABUSHIKI KAISHA
- Masayuki Ueno
- G01 - MEASURING TESTING
Information Patent Application
Surveillance camera system and photographing lens system thereof
- Publication number 20020163585
- Publication date Nov 7, 2002
- ASAHI SEIMITSU KABUSHIKI KAISHA
- Hideto Machii
- G02 - OPTICS
Information Patent Application
Variable-focus lens system
- Publication number 20020126393
- Publication date Sep 12, 2002
- ASAHI SEIMITSU KABUSHIKI KAISHA
- Sachiko Nasu
- G02 - OPTICS
Information Patent Application
Automatic aperture control circuit for automatic diaphragm lens of...
- Publication number 20020054764
- Publication date May 9, 2002
- ASAHI SEIMITSU KABUSHIKI KAISHA
- Toru Shikano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Diaphragm device of a television camera lens for a CCTV surveillanc...
- Publication number 20020044212
- Publication date Apr 18, 2002
- ASAHI SEIMITSU KABUSHIKI KAISHA
- Takaaki Hashimoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
surveying instrument having an optical distance meter and an autofo...
- Publication number 20020040959
- Publication date Apr 11, 2002
- ASAHI SEIMITSU KABUSHIKI KAISHA Tokyo, JAPAN
- Kenji Kaneko
- G01 - MEASURING TESTING
Information Patent Application
Automatic surveying system
- Publication number 20020028016
- Publication date Mar 7, 2002
- ASAHI SEIMITSU KABUSHIKI KAISHA
- Tatsuo Gotoh
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Linear-motion helicoid mechanism for CCTV camera
- Publication number 20020021904
- Publication date Feb 21, 2002
- ASAHI SEIMITSU KABUSHIKI KAISHA
- Kazunori Takahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Diaphragm apparatus of lens for CCTV camera
- Publication number 20020003583
- Publication date Jan 10, 2002
- ASAHI SEIMITSU KABUSHIKI KAISHA
- Masayuki Arai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Surveying intstrument, surveying instrument having AF function, sur...
- Publication number 20010039740
- Publication date Nov 15, 2001
- ASAHI SEIMITSU KABUSHIKI KAISHA
- Kenji Kaneko
- G01 - MEASURING TESTING
Information Patent Application
Diaphragm control apparatus for lens of CCTV camera
- Publication number 20010002849
- Publication date Jun 7, 2001
- ASAHI SEIMITSU KABUSHIKI KAISHA
- Masayuki Arai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

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Trademarklast 30 trademarks

Information Trademark
74670342 - SITE-NOTE
- Serial number 74670342
- Filing date May 5, 1995
- Asahi Seimitsu Kabushiki Kaisha
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments

ASAHI SEIMITSU KABUSHIKI KAISHA

Organization

Patents Grantslast 30 patents

Autofocus distance-measuring optical system

Linear-motion helicoid mechanism for CCTV camera

Integral transmitter-receiver optical communication apparatus

Incremental rotary encoder

Measurement surveying device

Mount shift apparatus of lens for CCTV camera

Optical axis correcting system

Travel-limit circuit having a direct current motor for a lens

Measurement surveying device

ND filter

Focusing method and apparatus for a surveying instrument having an...

Surveying apparatus/instruments

Focus detecting apparatus for a telescope system

Super wide angel lens system using an aspherical lens

Inner focus type telescope

Mechanism for driving a blur correcting lens in a blurred image cor...

Focusing apparatus for a surveying instrument

Electronic measurement device

Surveying instrument

Color separation prism assembly for C-mount camera

Aberration correcting plate for interchangeable lens

Fast aspherical lens system

Lens barrel for different kinds of TV cameras

Fast ultra-wide angle lens system

Lens barrel with biasing member positioned between two annular members

Zoom lens system

Surveying machine for construction work

Scale balancing device in drawing machine

Temperature compensating method in automatic diaphragm control ampl...

Automatic diaphragm control device for TV camera objective

Patents Applicationslast 30 patents

Surveying machine automatically adjusting optical axis

Surveillance camera system and photographing lens system thereof

Variable-focus lens system

Automatic aperture control circuit for automatic diaphragm lens of...

Diaphragm device of a television camera lens for a CCTV surveillanc...

surveying instrument having an optical distance meter and an autofo...

Automatic surveying system

Linear-motion helicoid mechanism for CCTV camera

Diaphragm apparatus of lens for CCTV camera

Surveying intstrument, surveying instrument having AF function, sur...

Diaphragm control apparatus for lens of CCTV camera

Trademarklast 30 trademarks

74670342 - SITE-NOTE