Minoru Chiba has been granted 14 US patents while listed as an inventor at Topcon . The first was granted in 1990 and the most recent in January 2023. Minoru Chiba ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Minoru Chiba in Tokyo, JP.
Patents per Year Patents granted per year, 1990 to 2023 Bar chart with a peak of 3 patents in 2016. peak 3 1990: 1 patents 1990 2001: 1 patents 2001 2002: 1 patents 2002 2003: 2 patents 2003 2007: 1 patents 2007 2008: 2 patents 2008 2014: 1 patents 2014 2015: 1 patents 2015 2016: 3 patents 2016 2023: 1 patents 2023
Issued Patents All Time
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Showing 1–14 of 14 patents
Patent # Title Co-Inventors Date
11550034
Target instrument and surveying system
Kaoru Kumagai , Akinobu Sugiura
2023-01-10
9523574
Surveying instrument
Yosuke Okudaira
2016-12-20
9523575
Guide light device, survey apparatus having the guide light device, survey system using the survey apparatus, survey pole used in the survey system, and mobile wireless transceiver used in the survey system
Kaoru Kumagai
2016-12-20
9482532
Surveying instrument and surveying operation system
Kaoru Kumagai , Masaru Muraki
2016-11-01
9121698
Electronic level device and level staff used for electronic level device
Kaoru Kumagai , Jun Abe
2015-09-01
8670130
Laser scanner
Fumio Ohtomo , Kaoru Kumagai
2014-03-11
7345748
Survey system capable of remotely controlling a surveying instrument
Akinobu Sugiura , Masaru Muraki , Masataka Kawakami
2008-03-18
7321420
Survey system
Satoshi Yasutomi , Nobuyuki Nishita
2008-01-22
7304729
Survey system
Satoshi Yasutomi , Nobuyuki Nishita
2007-12-04
6547879
Electrode forming apparatus for electric parts
Akira Saito , Fukashi Ogasawara , Isao Kobayashi
2003-04-15
6512859
Electronic level
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2003-01-28
6360866
Conveying apparatus for electric parts
Akira Saito , Fukashi Ogasawara , Isao Kobayashi
2002-03-26
6167629
Electronic level and a leveling rod for use in combination with the same
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2001-01-02
4898452
Apparatus for mounting target plate on reflector for electronic distance meter
Hideya Kawachi
1990-02-06