Inventor · disambiguated record
Keiichi Ochiai
Also filed as: OCHIAI KEIICHI
14 granted patents·7 pending applications·100 citations·filing 1987–2023
88Inventor score
Top patents by PatentIndex Score
21 records- 0186US4957812AComposite magnetic powder, method for producing the same and recording medium containing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1987·Granted Sep 18, 1990·32 cites·2 claims
- 0279US4975324APerpendicular magnetic film of spinel type iron oxide compound and its manufacturing processMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1987·Granted Dec 4, 1990·35 cites·7 claims
- 0378US4886714APlatelike magnetic powder and a recording medium which uses the platelike magnetic powderMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1988·Granted Dec 12, 1989·24 cites·5 claims
- 0459US2025356168A1Population state determination systemNTT DOCOMO INC·Filed 2023·Application pending·0 cites
- 0557US2025124260A1Population state determination system and model generation systemNTT DOCOMO INC·Filed 2022·Application pending·0 cites
- 0653US11797321B2Information generation apparatus and control systemNTT DOCOMO INC·Filed 2020·Granted Oct 24, 2023·0 cites·10 claims
- 0752US10733679B2Aloneness estimation deviceNTT DOCOMO INC·Filed 2018·Granted Aug 4, 2020·0 cites·6 claims
- 0852US5114801AMagnetic recording medium having a magnetic layer comprising hexagonal barium ferrite magnetic particles containing tin and magnesium in specified proportionsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted May 19, 1992·8 cites·6 claims
- 0951US11782811B2Information processing apparatusNTT DOCOMO INC·Filed 2020·Granted Oct 10, 2023·0 cites·11 claims
- 1050US2024388654A1User terminalNTT DOCOMO INC·Filed 2022·Application pending·0 cites
- 1148US2022148729A1Information processing deviceNTT DOCOMO INC·Filed 2020·Application pending·0 cites
- 1247US11016868B2Application usage estimation device and rule formulation deviceNTT DOCOMO INC·Filed 2018·Granted May 25, 2021·0 cites·4 claims
- 1344US12462170B2Prediction interpretation apparatus and prediction interpretation methodNTT DOCOMO INC·Filed 2019·Granted Nov 4, 2025·0 cites·6 claims
- 1444US11188360B2Information processing apparatus and hint provision methodNTT DOCOMO INC·Filed 2019·Granted Nov 30, 2021·0 cites·13 claims
- 1541US2020394540A1Evaluation deviceNTT DOCOMO INC·Filed 2018·Application pending·0 cites
- 1641US2022187895A1Information processing deviceNTT DOCOMO INC·Filed 2020·Application pending·0 cites
- 1740US11778061B2Feature extraction device and state estimation systemNTT DOCOMO INC·Filed 2020·Granted Oct 3, 2023·0 cites·10 claims
- 1840US11369287B2Stress estimation systemNTT DOCOMO INC·Filed 2018·Granted Jun 28, 2022·0 cites·3 claims
- 1939US2019259073A1Place popularity estimation systemNTT DOCOMO INC·Filed 2018·Application pending·0 cites
- 2037US11500913B2Determination deviceNTT DOCOMO INC·Filed 2018·Granted Nov 15, 2022·0 cites·5 claims
- 2130US5501896AMagnetic recording mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Mar 26, 1996·1 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →