MO

Masahiro Ohishi

TO Topcon: 38 patents #15 of 684Top 3%
KT Kabushiki Kaisha Top: 1 patents #53 of 213Top 25%
TK Tokyo Kogaku Kikai: 1 patents #65 of 143Top 50%
Overall (All Time): #79,587 of 4,157,543Top 2%
40
Patents All Time

Issued Patents All Time

Showing 25 most recent of 40 patents

Patent #TitleCo-InventorsDate
10732267 Electro-optical distance meter Akinobu Sugiura 2020-08-04
10663296 Surveying instrument Akinobu Sugiura 2020-05-26
9161691 Scanning ophthalmic imaging apparatus Hitoshi Shimizu 2015-10-20
8781780 Electro-optical distance measuring method and electro-optical distance measuring device Mitsuru Kanokogi 2014-07-15
8610880 Distance measuring apparatus and distance measuring method Yoshikatsu Tokuda 2013-12-17
8179522 Distance measuring device Isao Minegishi, Naoto Miki, Yuichi Yoshimura 2012-05-15
7945821 Time lag measuring device, distance measuring apparatus and distance measuring method Yoshikatsu Tokuda, Fumio Ohtomo 2011-05-17
7903235 Surveying instrument and surveying method Isao Minegishi 2011-03-08
7777865 Time difference measuring device, measuring method, distance measuring device, and distance measuring method Fumio Ohtomo 2010-08-17
7626686 Surveying instrument Yoshikatsu Tokuda 2009-12-01
7382443 Distance measuring method and distance measuring device Fumio Ohtomo, Ikuo Ishinabe, Kazuhiro Shida 2008-06-03
6803593 Distance measuring system Mitsuru Kanokogi 2004-10-12
6710885 Measuring system Masaaki Yabe, Michio Waki 2004-03-23
6693703 Distance measuring device and method for adjusting photodetection unit of distance measuring device Kaoru Kumagai, Ken-ichiro Yoshino 2004-02-17
6687038 Optical pulse observing device Fumio Ohtomo 2004-02-03
6683693 Target device Hisao O Tsuka, Hitoshi Sadachika 2004-01-27
6665055 Light-wave rangefinder using a pulse method Yoshikatsu Tokuda 2003-12-16
6483121 Distance measuring apparatus and distance measuring method Masaaki Yabe, Mitsuru Kanokogi 2002-11-19
6473716 Three-dimensions measuring method and surveying equipment using the same Masaki Takanashi 2002-10-29
6473166 Automatic surveying equipment and three-dimensions measuring method Katsumi Yanai 2002-10-29
6433860 Light wave rangefinder 2002-08-13
6396571 Portable type distance measuring apparatus Fumio Ohtomo 2002-05-28
6384904 Distance measuring apparatus Yoshikatsu Tokuda 2002-05-07
6356344 Mixing apparatus and optical rangefinder using the same Fumio Ohtomo 2002-03-12
6333783 Distance measuring system 2001-12-25