Inventor
TSUDA KOJI
JP16 patents
⚠️ This page may combine multiple inventors who share the name “TSUDA KOJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PENTAX CORP
5 patentsUS7109933B2Sep 19, 2006
Wearable jacket having communication function, and endoscope system employing wearable jacket
PENTAX CORP47 citations90
US7218384B2May 15, 2007
Surveying system
PENTAX CORP16 citations83
US7075634B2Jul 11, 2006
Surveying system
PENTAX CORP13 citations83
US7098997B2Aug 29, 2006
Surveying system
PENTAX CORP16 citations80
US6768587B2Jul 27, 2004
Tremble correcting device and optical device provided with tremble correcting function
PENTAX CORP3 citations62
ASAHI OPTICAL CO LTD
4 patentsUS5923468AJul 13, 1999
Surveying instrument having an automatic focusing device
ASAHI OPTICAL CO LTD58 citations96
US6233094B1May 15, 2001
Telescope utilizing global positioning system (GPS)
ASAHI OPTICAL CO LTD39 citations92
US4636068AJan 13, 1987
Change-over shutter for light-wave range finder
ASAHI OPTICAL CO LTD25 citations91
US4702008AOct 27, 1987
Zero setting device in surveying instrument
ASAHI OPTICAL CO LTD4 citations60
HOYA CORP
2 patentsUS7670144B2Mar 2, 2010
Conductive layer, manufacturing method of the same, and signal transmission substrate
HOYA CORP66 citations98
US7541922B2Jun 2, 2009
Operation control method of two dimensional diffusive signal-transmission devices, signal communication apparatus, and clothing provided with antenna function
HOYA CORP2 citations63
JAPAN ABRASIVE
2 patentsUS5248318ASep 28, 1993
Lapping abrasive of alumina-zirconia system and method for producing the same
JAPAN ABRASIVE44 citations88
US5177040AJan 5, 1993
Fused zirconia refractory materials having high-temperature heat resistance and corrosion resistance and a method for producing the same
JAPAN ABRASIVE11 citations72