Inventor · disambiguated record
Ryohei Kobayashi
Also filed as: KOBAYASHI RYOHEI
21 granted patents·14 pending applications·97 citations·filing 1981–2025
93Inventor score
Files withCASIO COMPUTER CO LTD6AICHI STEEL WORKS LTD5KONICA MINOLTA INC5UACJ CORP5HITACHI AUTOMOTIVE SYSTEMS LTD4
Top patents by PatentIndex Score
35 records- 0188US11594205B2Switch device, electronic apparatus, and electronic musical instrumentCASIO COMPUTER CO LTD·Filed 2021·Granted Feb 28, 2023·2 cites·17 claims
- 0280US11440315B2Ink jet recording apparatus and ink jet recording methodKONICA MINOLTA INC·Filed 2017·Granted Sep 13, 2022·2 cites·12 claims
- 0380US4770721AProcess of treating steel for a vehicle suspension spring to improve sag-resistanceAICHI STEEL WORKS LTD·Filed 1986·Granted Sep 13, 1988·30 cites·15 claims
- 0479US12315481B2Keyboard instrumentCASIO COMPUTER CO LTD·Filed 2021·Granted May 27, 2025·1 cites·10 claims
- 0578US9216576B2Inkjet head with damper member in common ink chamber, and method for driving inkjet headKONICA MINOLTA INC·Filed 2014·Granted Dec 22, 2015·3 cites·15 claims
- 0678US4544406ASpring steel having a good sag-resistance and a good hardenabilityAICHI STEEL WORKS LTD·Filed 1982·Granted Oct 1, 1985·23 cites·8 claims
- 0776US12466960B2Resin composition, film, and multilayer structureMITSUBISHI CHEM CORP·Filed 2021·Granted Nov 11, 2025·0 cites·12 claims
- 0876US2021214827A1Aluminum alloy sheet and production method thereforUACJ CORP·Filed 2021·Application pending·0 cites
- 0975US2021238722A1Aluminum alloy sheet and production method thereforUACJ CORP·Filed 2021·Application pending·0 cites
- 1073US9228672B2Electromagnetic valve and fixing structureHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2013·Granted Jan 5, 2016·3 cites·5 claims
- 1171US4448617ASteel for a vehicle suspension spring having good sag-resistanceAICHI STEEL WORKS LTD·Filed 1981·Granted May 15, 1984·15 cites·12 claims
- 1271US2020010942A1Aluminum alloy sheet and production method thereforUACJ CORP·Filed 2018·Application pending·0 cites
- 1370US11920221B2Aluminum alloy sheetUACJ CORP·Filed 2019·Granted Mar 5, 2024·0 cites·2 claims
- 1470US2025294926A1Light emitting elementNICHIA CORP·Filed 2025·Application pending·0 cites
- 1567US2025054471A1Electronic apparatus for musical instrumentsCASIO COMPUTER CO LTD·Filed 2024·Application pending·0 cites
- 1666US2025194324A1Light emitting elementNICHIA CORP·Filed 2024·Application pending·0 cites
- 1765US11694664B2Keyboard musical instrumentCASIO COMPUTER CO LTD·Filed 2021·Granted Jul 4, 2023·0 cites·9 claims
- 1865US2023416516A1Resin composition, coating solution, film, and multilayer structureMITSUBISHI CHEM CORP·Filed 2023·Application pending·0 cites
- 1963US9732875B2Electromagnetic valve and fixing structureHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2016·Granted Aug 15, 2017·0 cites·4 claims
- 2062US2025246744A1Partitioning member, battery assembly and method for producing sameMITSUBISHI CHEM CORP·Filed 2025·Application pending·0 cites
- 2160US2024229198A1Aluminum alloy sheet for beverage can bodyUACJ CORP·Filed 2022·Application pending·0 cites
- 2257US12060521B2Oil recovery agent, oil dispersion, and oil recovery methodMITSUBISHI CHEM CORP·Filed 2020·Granted Aug 13, 2024·0 cites·2 claims
- 2356US4574016AMethod of treating steel for a vehicle suspension spring having a good sag-resistanceAICHI STEEL WORKS LTD·Filed 1984·Granted Mar 4, 1986·9 cites·13 claims
- 2456US2024380133A1Terminal, terminal-equipped electric wire, and connection structureSUMITOMO ELECTRIC INDUSTRIES·Filed 2023·Application pending·0 cites
- 2555US10036483B2Electromagnetic valve and fixing structureHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2017·Granted Jul 31, 2018·0 cites·2 claims
- 2654US12104228B2Aluminum alloy plate, terminal, electric wire with terminal, and bus barSUMITOMO ELECTRIC INDUSTRIES·Filed 2022·Granted Oct 1, 2024·0 cites·11 claims
- 2752US2023318238A1Electronic device, electronic keyboard instrument, and manufacturing method of electronic deviceCASIO COMPUTER CO LTD·Filed 2023·Application pending·0 cites
- 2851US2025311517A1Light emitting elementNICHIA CORP·Filed 2025·Application pending·0 cites
- 2949US12003918B2Electronic musical instrument and electronic keyboard instrumentCASIO COMPUTER CO LTD·Filed 2021·Granted Jun 4, 2024·0 cites·20 claims
- 3049US9366356B2Electromagnetic valve and fixing structureHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2015·Granted Jun 14, 2016·0 cites·2 claims
- 3149US4711675AProcess for improving the sag-resistance and hardenability of a spring steelAICHI STEEL WORKS LTD·Filed 1985·Granted Dec 8, 1987·9 cites·8 claims
- 3248US2025196497A1Inkjet head and inkjet recording deviceKONICA MINOLTA INC·Filed 2022·Application pending·0 cites
- 3347US12138921B2Inkjet head driving method and inkjet recording apparatusKONICA MINOLTA INC·Filed 2019·Granted Nov 12, 2024·0 cites·13 claims
- 3445US9387678B2Liquid droplet injection apparatus and method for recovering nozzle of liquid droplet injection apparatusKONICA MINOLTA INC·Filed 2014·Granted Jul 12, 2016·0 cites·20 claims
- 3532US2017231591A1Method for Evaluating Nuclear Medicine Image of HeadNIHON MEDIPHYSICS CO LTD·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →