Inventor
TAKAYAMA HOMU
JP18 patents
⚠️ This page may combine multiple inventors who share the name “TAKAYAMA HOMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PENTAX CORP
6 patentsUS6765653B2Jul 20, 2004
Electronic distance meter
PENTAX CORP56 citations96
US6556283B2Apr 29, 2003
Electronic distance meter
PENTAX CORP10 citations74
US6945657B2Sep 20, 2005
Surveying instrument
PENTAX CORP7 citations73
US6891141B2May 10, 2005
Surveying instrument having an optical distance meter and an autofocus system, and a surveying instrument having a detachable autofocus system
PENTAX CORP7 citations72
US6747733B2Jun 8, 2004
Electronic distance meter
PENTAX CORP6 citations63
US6677568B2Jan 13, 2004
Surveying instrument having a phase-difference detection type focus detecting device
PENTAX CORP3 citations63
ASAHI SEIMITSU KK
5 patentsUS5936736AAug 10, 1999
Focusing method and apparatus for a surveying instrument having an AF function, and arrangement of an AF beam splitting optical system therein
ASAHI SEIMITSU KK40 citations92
US6384944B1May 7, 2002
Integral transmitter-receiver optical communication apparatus
ASAHI SEIMITSU KK35 citations91
USD447066SAug 28, 2001
Measurement surveying device
ASAHI SEIMITSU KK11 citations74
USD389418SJan 20, 1998
Electronic measurement device
ASAHI SEIMITSU KK12 citations74
US6141144AOct 31, 2000
Optical axis correcting system
ASAHI SEIMITSU KK1 citations51
PENTAX PREC CO LTD
4 patentsUS6624402B2Sep 23, 2003
Surveying instrument, surveying instrument having AF function, surveying instrument having PF mechanism, and surveying instrument having multiple-focus function
PENTAX PREC CO LTD18 citations82
US6701093B1Mar 2, 2004
Integral transmitter-receiver optical communication apparatus and a crosstalk preventive device therefor
PENTAX PREC CO LTD7 citations71
US6542225B2Apr 1, 2003
Surveying machine automatically adjusting optical axis
PENTAX PREC CO LTD3 citations62
US6734410B2May 11, 2004
Surveying instrument having an optical distance meter and an autofocus system, and a surveying instrument having a detachable autofocus system
PENTAX PREC CO LTD4 citations60