Assignee
PENTAX PREC CO LTD
JP·6 granted patents·35 citations·filing 1999–2003
Top patents by PatentIndex Score
6 records- 0174US6624402B2Surveying instrument, surveying instrument having AF function, surveying instrument having PF mechanism, and surveying instrument having multiple-focus functionPENTAX PREC CO LTD·Filed 2001·Granted Sep 23, 2003·18 cites·26 claims
- 0246US6734410B2Surveying instrument having an optical distance meter and an autofocus system, and a surveying instrument having a detachable autofocus systemPENTAX PREC CO LTD·Filed 2001·Granted May 11, 2004·4 cites·7 claims
- 0344US6542225B2Surveying machine automatically adjusting optical axisPENTAX PREC CO LTD·Filed 2002·Granted Apr 1, 2003·3 cites·14 claims
- 0443US6796042B1Survey point indicating instrumentPENTAX PREC CO LTD·Filed 2003·Granted Sep 28, 2004·2 cites·8 claims
- 0543US6683730B2Variable-focus lens systemPENTAX PREC CO LTD·Filed 2001·Granted Jan 27, 2004·1 cites·18 claims
- 0634US6701093B1Integral transmitter-receiver optical communication apparatus and a crosstalk preventive device thereforPENTAX PREC CO LTD·Filed 1999·Granted Mar 2, 2004·7 cites·6 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →