Inventor
OCHIAI KEIICHI
JP14 patents
⚠️ This page may combine multiple inventors who share the name “OCHIAI KEIICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NTT DOCOMO INC
9 patentsUS11797321B2Oct 24, 2023
Information generation apparatus and control system
NTT DOCOMO INC0 citations61
US11016868B2May 25, 2021
Application usage estimation device and rule formulation device
NTT DOCOMO INC0 citations61
US11782811B2Oct 10, 2023
Information processing apparatus
NTT DOCOMO INC0 citations50
US11778061B2Oct 3, 2023
Feature extraction device and state estimation system
NTT DOCOMO INC0 citations50
US10733679B2Aug 4, 2020
Aloneness estimation device
NTT DOCOMO INC0 citations46
US12462170B2Nov 4, 2025
Prediction interpretation apparatus and prediction interpretation method
NTT DOCOMO INC0 citations45
US11369287B2Jun 28, 2022
Stress estimation system
NTT DOCOMO INC0 citations45
US11500913B2Nov 15, 2022
Determination device
NTT DOCOMO INC0 citations44
US11188360B2Nov 30, 2021
Information processing apparatus and hint provision method
NTT DOCOMO INC0 citations42
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
5 patentsUS4975324ADec 4, 1990
Perpendicular magnetic film of spinel type iron oxide compound and its manufacturing process
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD35 citations92
US4957812ASep 18, 1990
Composite magnetic powder, method for producing the same and recording medium containing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD32 citations92
US4886714ADec 12, 1989
Platelike magnetic powder and a recording medium which uses the platelike magnetic powder
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD24 citations92
US5114801AMay 19, 1992
Magnetic recording medium having a magnetic layer comprising hexagonal barium ferrite magnetic particles containing tin and magnesium in specified proportions
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations72
US5501896AMar 26, 1996
Magnetic recording medium
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD1 citations50