Inventor
NAKAMURA HIRAKU
JP15 patents
⚠️ This page may combine multiple inventors who share the name “NAKAMURA HIRAKU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FURUNO ELECTRIC CO
13 patentsUS10877163B2Dec 29, 2020
Method and device for calculating attitude angle
FURUNO ELECTRIC CO3 citations72
US10197681B2Feb 5, 2019
State calculating device, method of calculating state, and state calculating program
FURUNO ELECTRIC CO3 citations71
US9342075B2May 17, 2016
Apparatus, method and computer readable media for calculating status, and movable body
FURUNO ELECTRIC CO4 citations71
US10209159B2Feb 19, 2019
Displacement detecting device for structural object, sharing system of displacement of structural object, and method and program of detecting displacement of structural object
FURUNO ELECTRIC CO2 citations67
US11255675B2Feb 22, 2022
Course estimating device, method of estimating course, and course estimating program
FURUNO ELECTRIC CO0 citations62
US11366235B2Jun 21, 2022
Positioning device, positioning system, positioning method and positioning program
FURUNO ELECTRIC CO0 citations61
US11156721B2Oct 26, 2021
Oscillation observation device, oscillation observation method and oscillation observation program
FURUNO ELECTRIC CO0 citations61
US10976447B2Apr 13, 2021
Azimuth angle calculating device, and method of calculating azimuth angle
FURUNO ELECTRIC CO0 citations61
US10948292B2Mar 16, 2021
Sensor error calculating device, attitude angle calculating apparatus, method of calculating sensor error and method of calculating attitude angle
FURUNO ELECTRIC CO1 citations61
US10514469B2Dec 24, 2019
Attitude angle calculating device, method of calculating attitude angle, and attitude angle calculating program
FURUNO ELECTRIC CO1 citations59
US11268814B2Mar 8, 2022
Movement information calculating device, movement information calculating method and movement information calculating program
FURUNO ELECTRIC CO0 citations51
US11953610B2Apr 9, 2024
Device and method for calculating movement information
FURUNO ELECTRIC CO0 citations46
US12411011B2Sep 9, 2025
Ship navigation assistance device, ship navigation assistance method, and ship navigation assistance program
FURUNO ELECTRIC CO0 citations43