Inventor
OTSU FUMITAKA
JP3 patents
Patents
3 patentsUS7811203B2Oct 12, 2010
Walker behavior detection apparatus
HITACHI LTD69 citations93
US7457705B2Nov 25, 2008
Navigation apparatus for displaying three-d stored terrain information based on position and attitude
HITACHI LTD41 citations92
US5144679ASep 1, 1992
Graphic data searching and storage method
HITACHI LTD32 citations91