Inventor · disambiguated record
Hajime Ohta
Also filed as: MUTO KENJI · OHTA HAJIME
17 granted patents·9 pending applications·421 citations·filing 1976–2023
93Inventor score
Files withJSP CORP13FUJITSU LTD3NIPPON MUSICAL INSTRUMENTS MFG3DENSO CORP2MAKITA ELECTRIC WORKS LTD2
Top patents by PatentIndex Score
26 records- 0195US6463360B1Mobile robot, automated production system, and mobile robot systemDENSO CORP·Filed 2000·Granted Oct 8, 2002·185 cites·11 claims
- 0288US7863343B2Expandable polylactic acid resin particles, expanded polylactic acid resin beads and molded article obtained from expanded polylactic acid resin beadsJSP CORP·Filed 2006·Granted Jan 4, 2011·9 cites·10 claims
- 0386US11732101B2Polypropylene-based resin expanded beads and polypropylene-based resin expanded beads molded articleJSP CORP·Filed 2021·Granted Aug 22, 2023·2 cites·7 claims
- 0486US4670751AEraser for electronic blackboardFUJITSU LTD·Filed 1984·Granted Jun 2, 1987·101 cites·17 claims
- 0581US4087761AAudio power amplifierNIPPON MUSICAL INSTRUMENTS MFG·Filed 1976·Granted May 2, 1978·27 cites·46 claims
- 0666US12441860B2Polypropylene-based resin expanded bead, method for producing same, and molded article of polypropylene-based resin expanded beadsJSP CORP·Filed 2022·Granted Oct 14, 2025·0 cites·10 claims
- 0766US2025388733A1Polypropylene-based resin foam particles, method for producing polypropylene-based resin foam particles, and logistics packaging materialJSP CORP·Filed 2023·Application pending·0 cites
- 0865US2024018325A1Thermoplastic resin expanded bead and molded article of thermoplastic resin expanded beadsJSP CORP·Filed 2023·Application pending·0 cites
- 0963US12240956B2Expanded bead and method for producing the sameJSP CORP·Filed 2022·Granted Mar 4, 2025·0 cites·20 claims
- 1063US2024400782A1Method for producing polypropylene-based resin expanded beads and molded article of polypropylene-based resin expanded beadsJSP CORP·Filed 2022·Application pending·0 cites
- 1162US11904579B2Molded article of polypropylene-based resin foamed particle molded body, polypropylene-based resin foamed particle, and method for producing sameJSP CORP·Filed 2021·Granted Feb 20, 2024·0 cites·14 claims
- 1260USD307232SCordless electric prunerMAKITA ELECTRIC WORKS LTD·Filed 1988·Granted Apr 17, 1990·8 cites·1 claims
- 1359US2024301158A1Method for producing polypropylene-based resin expanded bead and method for producing molded article of expanded beadsJSP CORP·Filed 2022·Application pending·0 cites
- 1458US2024409704A1Polypropylene resin foam particlesJSP CORP·Filed 2022·Application pending·0 cites
- 1557USD310509SPortable battery caseMAKITA ELECTRIC WORKS LTD·Filed 1988·Granted Sep 11, 1990·7 cites·1 claims
- 1657US2024124674A1Molded article of polypropylene-based resin expanded beads and method for producing sameJSP CORP·Filed 2023·Application pending·0 cites
- 1756US12202951B2Modified expanded bead and foam molded article of expanded beadsJSP CORP·Filed 2020·Granted Jan 21, 2025·0 cites·9 claims
- 1856US2025136777A1Crystalline thermoplastic resin expanded bead, molded article of crystalline thermoplastic resin expanded beads, and method for producing sameJSP CORP·Filed 2023·Application pending·0 cites
- 1953US4159493ACombined magnetic head having recording and playback coresNIPPON MUSICAL INSTRUMENTS MFG·Filed 1977·Granted Jun 26, 1979·7 cites·12 claims
- 2051US4564078AApparatus for storing felt pens for an electronic boardFUJITSU LTD·Filed 1984·Granted Jan 14, 1986·13 cites·23 claims
- 2150US4798969APower feed system in transmission line between terminals of three-terminal stationFUJITSU LTD·Filed 1988·Granted Jan 17, 1989·16 cites·12 claims
- 2245US2006022366A1Method of producing polystyrene-based resin foam streetIWAMOTO AKIRA·Filed 2004·Application pending·0 cites
- 2344US2012312692A1Aluminum porous body and method for producing the sameKIMURA KOUTAROU·Filed 2012·Application pending·0 cites
- 2443US5665120ABiomedical material including tube-like biodegradeable nety works filled with hydroxylapatiteTOHKAI CERAMIC MATERIAL CO LTD·Filed 1996·Granted Sep 9, 1997·43 cites·14 claims
- 2542US6522044B1Disc-type commutator for electric rotating machineDENSO CORP·Filed 2002·Granted Feb 18, 2003·2 cites·5 claims
- 2632US4333114ARecording circuit employing AC biasing systemNIPPON MUSICAL INSTRUMENTS MFG·Filed 1979·Granted Jun 1, 1982·1 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →