Inventor · disambiguated record
Takumi Usui
Also filed as: USUI TAKUMI
4 granted patents·2 pending applications·115 citations·filing 1995–2023
76Inventor score
Top patents by PatentIndex Score
6 records- 0189US6227477B1Data storage cassette and data recording and reproducing deviceAIWA CO·Filed 1998·Granted May 8, 2001·86 cites·12 claims
- 0260US11905684B2Hydraulic system for working machine, and working machineKUBOTA KK·Filed 2023·Granted Feb 20, 2024·0 cites·22 claims
- 0359US5864522AAuto disc changerAIWA CO·Filed 1995·Granted Jan 26, 1999·18 cites·24 claims
- 0453US2023417632A1Environmental test apparatusESPEC CORP·Filed 2023·Application pending·0 cites
- 0550US6172831B1Method of recording/reproducing digital signal on magnetic recording medium through helical scanning by using read-after-write function and apparatus for carrying out the sameAIWA CO·Filed 1999·Granted Jan 9, 2001·11 cites·10 claims
- 0636US2009117336A1Circuit board, method for manufacturing such circuit board, and electronic component using such circuit boardMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →