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PENTAX PRECISION CO., LTD.
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Survey point indicating instrument
Patent number
6,796,042
Issue date
Sep 28, 2004
Pentax Precision Co., Ltd.
Kenji Kaneko
G01 - MEASURING TESTING
Information
Patent Grant
Laser survey instrument
Patent number
6,782,015
Issue date
Aug 24, 2004
PENTAX Corporation
Nobuaki Kawatani
G01 - MEASURING TESTING
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
Surveying instrument having an optical distance meter and an autofo...
Patent number
6,734,410
Issue date
May 11, 2004
Pentax Precision Co., Ltd.
Kenji Kaneko
G01 - MEASURING TESTING
Information
Patent Grant
Integral transmitter-receiver optical communication apparatus and a...
Patent number
6,701,093
Issue date
Mar 2, 2004
Pentax Precision Co., Ltd.
Tatsuo Gotoh
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Variable-focus lens system
Patent number
6,683,730
Issue date
Jan 27, 2004
Pentax Precision Co., Ltd.
Sachiko Nasu
G02 - OPTICS
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, surveying instrument having AF function, surv...
Patent number
6,624,402
Issue date
Sep 23, 2003
Pentax Precision Co., Ltd.
Kenji Kaneko
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 machine automatically adjusting optical axis
Patent number
6,542,225
Issue date
Apr 1, 2003
Pentax Precision Co., Ltd.
Masayuki Ueno
G01 - MEASURING TESTING
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Patents Applications
last 30 patents
Information
Patent Application
Surveying instrument having an optical distance meter and an autofo...
Publication number
20040246462
Publication date
Dec 9, 2004
PENTAX PRECISION CO., LTD.
Kenji Kaneko
G02 - OPTICS
Information
Patent Application
Surveying instrument having an optical distance meter and an autofo...
Publication number
20040178322
Publication date
Sep 16, 2004
PENTAX PRECISION CO., LTD.
Kenji Kaneko
G02 - OPTICS
Information
Patent Application
Surveying instrument
Publication number
20040163266
Publication date
Aug 26, 2004
PENTAX PRECISION CO., LTD.
Kenji Kaneko
G01 - MEASURING TESTING
Information
Patent Application
Surveying instrument having an auto-collimating function and a dist...
Publication number
20040090612
Publication date
May 13, 2004
PENTAX PRECISION CO., LTD.
Kenji Kaneko
G01 - MEASURING TESTING
Information
Patent Application
Electronic distance meter
Publication number
20030107721
Publication date
Jun 12, 2003
PENTAX CORPORATION
Masami Shirai
G01 - MEASURING TESTING