Inventor

ICHIMURA YASUHIKO

US4 patents

⚠️ This page may combine multiple inventors who share the name “ICHIMURA YASUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KOMATSU MFG CO LTD

3 patents

US5240350AAug 31, 1993

Apparatus for detecting position of underground excavator and magnetic field producing cable

KOMATSU MFG CO LTD77 citations95

US5330292AJul 19, 1994

System and method for transmitting and calculating data in shield machine

KOMATSU MFG CO LTD41 citations91

US5199818AApr 6, 1993

Method and apparatus for detecting collapse of natural ground in shield driving method

KOMATSU MFG CO LTD3 citations61

KOMATSU S EISAKUSHO KK

1 patent

US4818107AApr 4, 1989

System for measuring the position of a moving body

KOMATSU S EISAKUSHO KK75 citations92