Masami Shirai

Person

Saitama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Surveying system
- Patent number 7,218,384
- Issue date May 15, 2007
- PENTAX Corporation
- Masami Shirai
- G01 - MEASURING TESTING
Information Patent Grant
Surveying system
- Patent number 7,098,997
- Issue date Aug 29, 2006
- PENTAX Corporation
- Masami Shirai
- G01 - MEASURING TESTING
Information Patent Grant
Surveying system
- Patent number 7,075,634
- Issue date Jul 11, 2006
- PENTAX Corporation
- Shinobu Uezono
- G01 - MEASURING TESTING
Information Patent Grant
Surveying instrument
- Patent number 6,945,657
- Issue date Sep 20, 2005
- PENTAX Corporation
- Masami Shirai
- G01 - MEASURING TESTING
Information Patent Grant
Optical viewer instrument with photographing function
- Patent number 6,914,636
- Issue date Jul 5, 2005
- PENTAX Corporation
- Ken Hirunuma
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electronic distance meter
- Patent number 6,765,653
- Issue date Jul 20, 2004
- PENTAX Corporation
- Masami Shirai
- G01 - MEASURING TESTING
Information Patent Grant
Electronic distance meter
- Patent number 6,747,733
- Issue date Jun 8, 2004
- PENTAX Corporation
- Masami Shirai
- G01 - MEASURING TESTING
Information Patent Grant
Target for photogrammetric analytical measurement system
- Patent number 6,717,683
- Issue date Apr 6, 2004
- PENTAX Corporation
- Shigeru Wakashiro
- G01 - MEASURING TESTING
Information Patent Grant
Surveying instrument having a phase-difference detection type focus...
- Patent number 6,677,568
- Issue date Jan 13, 2004
- PENTAX Corporation
- Masami Shirai
- G01 - MEASURING TESTING
Information Patent Grant
Surveying instrument incorporating a magnetic incremental rotary en...
- Patent number 6,629,371
- Issue date Oct 7, 2003
- PENTAX Corporation
- Masami Shirai
- G01 - MEASURING TESTING
Information Patent Grant
Incremental rotary encoder, and a surveying instrument incorporatin...
- Patent number 6,622,391
- Issue date Sep 23, 2003
- PENTAX Corporation
- Masami Shirai
- G01 - MEASURING TESTING
Information Patent Grant
Surveying instrument having a sighting telescope and a phase-differ...
- Patent number 6,618,126
- Issue date Sep 9, 2003
- PENTAX Corporation
- Masami Shirai
- G01 - MEASURING TESTING
Information Patent Grant
Magnetic encoder and method for reducing harmonic distortion thereof
- Patent number 6,600,308
- Issue date Jul 29, 2003
- PENTAX Corporation
- Masami Shirai
- G01 - MEASURING TESTING
Information Patent Grant
Surveying instrument having a phase-difference detection type focus...
- Patent number 6,580,495
- Issue date Jun 17, 2003
- PENTAX Corporation
- Masami Shirai
- G01 - MEASURING TESTING
Information Patent Grant
Electronic distance meter
- Patent number 6,556,283
- Issue date Apr 29, 2003
- PENTAX Corporation
- Masami Shirai
- G01 - MEASURING TESTING
Information Patent Grant
Incremental rotary encoder
- Patent number 6,555,809
- Issue date Apr 29, 2003
- PENTAX Corporation
- Katsuhiko Kenjo
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Surveying instrument incorporating a magnetic incremental rotary en...
- Patent number 6,550,150
- Issue date Apr 22, 2003
- PENTAX Corporation
- Masami Shirai
- G01 - MEASURING TESTING
Information Patent Grant
Surveying instrument having an optical distance meter
- Patent number 6,532,059
- Issue date Mar 11, 2003
- PENTAX Corporation
- Masami Shirai
- G01 - MEASURING TESTING
Information Patent Grant
Surveying instrument having an optical distance meter
- Patent number 6,501,540
- Issue date Dec 31, 2002
- PENTAX Corporation
- Masami Shirai
- G01 - MEASURING TESTING
Information Patent Grant
Electronic distance meter
- Patent number 6,501,541
- Issue date Dec 31, 2002
- PENTAX Corporation
- Masami Shirai
- G01 - MEASURING TESTING
Information Patent Grant
Magnetic encoder and survey instrument having magnetic encoder
- Patent number 6,492,806
- Issue date Dec 10, 2002
- PENTAX Corporation
- Masami Shirai
- G01 - MEASURING TESTING
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
Surveying instrument having an optical distance meter
- Patent number 6,469,777
- Issue date Oct 22, 2002
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Masami Shirai
- G01 - MEASURING TESTING
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
Surveying instrument
- Patent number 6,354,010
- Issue date Mar 12, 2002
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Masami Shirai
- G02 - OPTICS
Information Patent Grant
Beam splitter for automatic focusing device
- Patent number 6,350,975
- Issue date Feb 26, 2002
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Masami Shirai
- G02 - OPTICS
Information Patent Grant
Beam splitter for automatic focusing device
- Patent number 6,344,639
- Issue date Feb 5, 2002
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Masami Shirai
- G02 - OPTICS
Information Patent Grant
Beam splitter for automatic focusing device
- Patent number 6,339,499
- Issue date Jan 15, 2002
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Masami Shirai
- G02 - OPTICS
Information Patent Grant
Light interception structure for an automatic focus detection surve...
- Patent number 6,331,918
- Issue date Dec 18, 2001
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Masami Shirai
- G02 - OPTICS
Information Patent Grant
Reflector for distance measurement
- Patent number 6,324,024
- Issue date Nov 27, 2001
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Masami Shirai
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Surveying instrument
- Publication number 20050200949
- Publication date Sep 15, 2005
- PENTAX CORPORATION
- Masami Shirai
- G02 - OPTICS
Information Patent Application
Apparatus and method for establishing correspondence between images
- Publication number 20050069195
- Publication date Mar 31, 2005
- PENTAX CORPORATION
- Shinobu Uezono
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Surveying system
- Publication number 20040234123
- Publication date Nov 25, 2004
- PENTAX CORPORATION
- Masami Shirai
- G01 - MEASURING TESTING
Information Patent Application
Target for photogrammetric analystical measurement system
- Publication number 20040150816
- Publication date Aug 5, 2004
- PENTAX CORPORATION
- Shigeru Wakashiro
- G01 - MEASURING TESTING
Information Patent Application
Observation optical device
- Publication number 20040012852
- Publication date Jan 22, 2004
- PENTAX CORPORATION
- Masami Shirai
- G02 - OPTICS
Information Patent Application
Surveying system
- Publication number 20040004706
- Publication date Jan 8, 2004
- PENTAX Corporation of Tokyo, Japan
- Shinobu Uezono
- G01 - MEASURING TESTING
Information Patent Application
Portable optical device
- Publication number 20030189752
- Publication date Oct 9, 2003
- PENTAX CORPORATION
- Ken Hirunuma
- G02 - OPTICS
Information Patent Application
Surveying system
- Publication number 20030160757
- Publication date Aug 28, 2003
- PENTAX CORPORATION
- Masami Shirai
- G01 - MEASURING TESTING
Information Patent Application
Binocular telescope with photographing function
- Publication number 20030151660
- Publication date Aug 14, 2003
- PENTAX CORPORATION
- Ken Hirunuma
- G02 - OPTICS
Information Patent Application
Electronic distance meter
- Publication number 20030107721
- Publication date Jun 12, 2003
- PENTAX CORPORATION
- Masami Shirai
- G01 - MEASURING TESTING
Information Patent Application
Optical viewer instrument with photographing function
- Publication number 20030063189
- Publication date Apr 3, 2003
- ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
- Ken Hirunuma
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Incremental rotary encoder
- Publication number 20020153479
- Publication date Oct 24, 2002
- ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
- Katsuhiko Kenjo
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Magnetic encoder and method for reducing harmonic distortion thereof
- Publication number 20020105445
- Publication date Aug 8, 2002
- ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
- Masami Shirai
- G01 - MEASURING TESTING
Information Patent Application
Surveying instrument
- Publication number 20020051288
- Publication date May 2, 2002
- ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
- Masami Shirai
- G01 - MEASURING TESTING
Information Patent Application
Electronic distance meter
- Publication number 20020044270
- Publication date Apr 18, 2002
- ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
- Masami Shirai
- G01 - MEASURING TESTING
Information Patent Application
Light interception structure for an automatic focus detection surve...
- Publication number 20020015237
- Publication date Feb 7, 2002
- ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
- Masami Shirai
- G01 - MEASURING TESTING
Information Patent Application
Electronic distance meter
- Publication number 20020012114
- Publication date Jan 31, 2002
- ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
- Masami Shirai
- G01 - MEASURING TESTING
Information Patent Application
Surveying instrument having an optical distance meter
- Publication number 20020008865
- Publication date Jan 24, 2002
- ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
- Masami Shirai
- G01 - MEASURING TESTING
Information Patent Application
Surveying instrument having a phase-difference detection type focus...
- Publication number 20020008189
- Publication date Jan 24, 2002
- ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
- Masami Shirai
- G01 - MEASURING TESTING
Information Patent Application
Magnetic encoder and survey instrument having magnetic encoder
- Publication number 20020005716
- Publication date Jan 17, 2002
- ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
- Masami Shirai
- G01 - MEASURING TESTING
Information Patent Application
Surveying instrument having a phase-difference detection type focus...
- Publication number 20010050763
- Publication date Dec 13, 2001
- ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
- Masami Shirai
- G01 - MEASURING TESTING
Information Patent Application
Surveying instrument having an optical distance meter
- Publication number 20010050764
- Publication date Dec 13, 2001
- ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
- Masami Shirai
- G01 - MEASURING TESTING
Information Patent Application
Electronic distance meter
- Publication number 20010048517
- Publication date Dec 6, 2001
- ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
- Masami Shirai
- G01 - MEASURING TESTING
Information Patent Application
Surveying instrument having a sighting telescope and a phase-differ...
- Publication number 20010048518
- Publication date Dec 6, 2001
- ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
- Masami Shirai
- G01 - MEASURING TESTING
Information Patent Application
Surveying instrument having an optical distance meter
- Publication number 20010024270
- Publication date Sep 27, 2001
- ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
- Masami Shirai
- G01 - MEASURING TESTING
Information Patent Application
Autofocus distance-measuring optical system
- Publication number 20010021012
- Publication date Sep 13, 2001
- ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
- Masami Shirai
- G01 - MEASURING TESTING

Masami Shirai

Person

Patents Grantslast 30 patents

Surveying system

Surveying system

Surveying system

Surveying instrument

Optical viewer instrument with photographing function

Electronic distance meter

Electronic distance meter

Target for photogrammetric analytical measurement system

Surveying instrument having a phase-difference detection type focus...

Surveying instrument incorporating a magnetic incremental rotary en...

Incremental rotary encoder, and a surveying instrument incorporatin...

Surveying instrument having a sighting telescope and a phase-differ...

Magnetic encoder and method for reducing harmonic distortion thereof

Surveying instrument having a phase-difference detection type focus...

Electronic distance meter

Incremental rotary encoder

Surveying instrument incorporating a magnetic incremental rotary en...

Surveying instrument having an optical distance meter

Surveying instrument having an optical distance meter

Electronic distance meter

Magnetic encoder and survey instrument having magnetic encoder

Autofocus distance-measuring optical system

Surveying instrument having an optical distance meter

Incremental rotary encoder

Surveying instrument

Beam splitter for automatic focusing device

Beam splitter for automatic focusing device

Beam splitter for automatic focusing device

Light interception structure for an automatic focus detection surve...

Reflector for distance measurement

Patents Applicationslast 30 patents

Surveying instrument

Apparatus and method for establishing correspondence between images

Surveying system

Target for photogrammetric analystical measurement system

Observation optical device

Surveying system

Portable optical device

Surveying system

Binocular telescope with photographing function

Electronic distance meter

Optical viewer instrument with photographing function

Incremental rotary encoder

Magnetic encoder and method for reducing harmonic distortion thereof

Surveying instrument

Electronic distance meter

Light interception structure for an automatic focus detection surve...

Electronic distance meter

Surveying instrument having an optical distance meter

Surveying instrument having a phase-difference detection type focus...

Magnetic encoder and survey instrument having magnetic encoder

Surveying instrument having a phase-difference detection type focus...

Surveying instrument having an optical distance meter

Electronic distance meter

Surveying instrument having a sighting telescope and a phase-differ...

Surveying instrument having an optical distance meter

Autofocus distance-measuring optical system