Inventor · disambiguated record
Kohei Fujiwara
Also filed as: FUJIWARA KOHEI
4 granted patents·2 pending applications·21 citations·filing 1981–2022
68Inventor score
Files withUNIV TOHOKU2FUJIWARA KOHEI1MITSUBISHI ELECTRIC CORP1OLYMPUS CORP1TOKYO METRO IND TECH RES INST1
Top patents by PatentIndex Score
6 records- 0176US10649013B2Frequency converter, measuring system, and measuring methodTOKYO METRO IND TECH RES INST·Filed 2016·Granted May 12, 2020·2 cites·8 claims
- 0271US4346356ACircuit breaker with increased contact separationMITSUBISHI ELECTRIC CORP·Filed 1981·Granted Aug 24, 1982·18 cites·5 claims
- 0360US11543468B2Hall elementUNIV TOHOKU·Filed 2019·Granted Jan 3, 2023·0 cites·9 claims
- 0447US9400316B2Electric current-spin current conversion deviceFUJIWARA KOHEI·Filed 2011·Granted Jul 26, 2016·1 cites·4 claims
- 0545US2025383413A1Magnetic sensor and magnetic detection methodUNIV TOHOKU·Filed 2022·Application pending·0 cites
- 0641US2019223707A1Cleaning tool for endoscopeOLYMPUS CORP·Filed 2019·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →