Manual surveying instrument having collimation assisting device

United States of America Patent

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Jul 24, 2012
Grant Date
Jun 9, 2011
app pub date
May 29, 2009
filing date
Oct 21, 2008

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Abstract

[Problem] To provide a manual surveying instrument that allows easily performing a collimating operation and allows performing a high precision measurement in a short time.

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Patent Owner(s)

Patent Owner	Address
TOPCON CORPORATION	75-1 HASUNUMA-CHO ITABASHI-KU TOKYO 1748580

International Classification(s)

G01C:MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING....

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Nakamura, Yutaka	Kanagawa, JP	200	2550
Yanobe, Satoshi	Kanagawa, JP	38	106

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Manual surveying instrument having collimation assisting device

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United States of America Patent

13057785

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PATENT NO	8225518
APP PUB NO	20110131824A1
SERIAL NO	13057785
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
July 24, 2012	US,8225518,B2 US8225518B2	GRANTED PATENT AS SECOND PUBLICATION
June 09, 2011	US,20110131824,A1 US20110131824A1	FIRST PUBLISHED PATENT APPLICATION

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13057785

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