Inventor · disambiguated record
Akihiko Hosaka
Also filed as: HOSAKA AKIHIKO · OKUYAMA KIYOTAKA
32 granted patents·3 pending applications·302 citations·filing 1976–2018
96Inventor score
Top patents by PatentIndex Score
35 records- 0186US8139806B2Earphone for placement in an earHOSAKA AKIHIKO·Filed 2007·Granted Mar 20, 2012·36 cites·30 claims
- 0286US5119203AMonitor mounting fixtureCASIO COMPUTER CO LTD·Filed 1989·Granted Jun 2, 1992·55 cites·28 claims
- 0378US5781638AElectro-acoustic transducerSONY CORP·Filed 1996·Granted Jul 14, 1998·67 cites·9 claims
- 0474US10397685B2EarphoneDAI ICHI SEIKO CO LTD·Filed 2016·Granted Aug 27, 2019·2 cites·7 claims
- 0572US4336310AMagnetic recording medium and preparation thereofTDK ELECTRONICS CO LTD·Filed 1980·Granted Jun 22, 1982·26 cites·3 claims
- 0662US6190613B1Sample concentration deviceFRONTIER LAB LTD·Filed 1999·Granted Feb 20, 2001·30 cites·11 claims
- 0758US4307154AMagnetic recording mediumTDK ELECTRONICS CO LTD·Filed 1979·Granted Dec 22, 1981·12 cites·3 claims
- 0852US8261710B2Sealed lash adjuster and seal structure between first and second partsKATSUMATA SHOUJI·Filed 2008·Granted Sep 11, 2012·0 cites·4 claims
- 0952US7779805B2Sealed lash adjuster and method for adjusting amount of liquid sealed in sealed lash adjusterTOYOTA MOTOR CO LTD·Filed 2006·Granted Aug 24, 2010·2 cites·17 claims
- 1051US4361621AMagnetic recording mediumTDK ELECTRONICS CO LTD·Filed 1981·Granted Nov 30, 1982·10 cites·5 claims
- 1147US10168308B2Analysis deviceFRONTIER LABORATORIES LTD·Filed 2017·Granted Jan 1, 2019·0 cites·5 claims
- 1246US11711642B2EarphonesMOVE COMPANY LTD·Filed 2018·Granted Jul 25, 2023·0 cites·5 claims
- 1346US10021473B2Digital speaker, speaker system, and earphonesDAI ICHI SEIKO CO LTD·Filed 2016·Granted Jul 10, 2018·0 cites·7 claims
- 1446US4323628AMagnetic recording mediumTDK ELECTRONICS CO LTD·Filed 1980·Granted Apr 6, 1982·5 cites·3 claims
- 1545US10104477B2Speaker for generating sound based on digital signalDAI ICHI SEIKO CO LTD·Filed 2016·Granted Oct 16, 2018·0 cites·7 claims
- 1644US11445293B2EarphonesMOVE COMPANY LTD·Filed 2018·Granted Sep 13, 2022·0 cites·6 claims
- 1743US4370384AMagnetic recording mediumTDK ELECTRONICS CO LTD·Filed 1981·Granted Jan 25, 1983·4 cites·3 claims
- 1843US4238548AMagnetic recording mediumTDK ELECTRONICS CO LTD·Filed 1979·Granted Dec 9, 1980·6 cites·4 claims
- 1942US4357391AMagnetic recording mediumTDK ELECTRONICS CO LTD·Filed 1980·Granted Nov 2, 1982·4 cites·7 claims
- 2041US4609588AMagnetic recording mediumTDK CORP·Filed 1983·Granted Sep 2, 1986·4 cites·4 claims
- 2141US4460651AMagnetic recording mediumTDK CORP·Filed 1983·Granted Jul 17, 1984·7 cites·2 claims
- 2240US9567877B2Hermetically sealed lash adjusterKATSUMATA SHOUJI·Filed 2008·Granted Feb 14, 2017·0 cites·1 claims
- 2340US4332863AMagnetic recording mediumTDK ELECTRONICS CO LTD·Filed 1980·Granted Jun 1, 1982·4 cites·2 claims
- 2440US4329398AMagnetic recording mediumTDK ELECTRONICS CO LTD·Filed 1979·Granted May 11, 1982·5 cites·4 claims
- 2540US2010282194A1Sealed-type lash adjusterTOYOTA MOTOR CO LTD·Filed 2008·Application pending·0 cites
- 2638US4391864AMagnetic recording mediumTDK ELECTRONICS CO LTD·Filed 1980·Granted Jul 5, 1983·5 cites·5 claims
- 2738US4097313AMethod of recovery of ferromagnetic metal or alloy particles by using a magnetic drumTDK ELECTRONICS CO LTD·Filed 1976·Granted May 27, 1978·6 cites·5 claims
- 2837US4459319AProcess for producing a magnetic recording mediumTDK CORP·Filed 1983·Granted Jul 10, 1984·3 cites·3 claims
- 2937US2018098147A1Speaker and EarphoneO2AID INC·Filed 2016·Application pending·0 cites
- 3037US2018167719A1SpeakerO2AID INC·Filed 2016·Application pending·0 cites
- 3134US4389458AMagnetic recording mediumTDK ELECTRONICS CO LTD·Filed 1982·Granted Jun 21, 1983·3 cites·2 claims
- 3233US4367264AMagnetic recording mediumTDK ELECTRONICS CO LTD·Filed 1981·Granted Jan 4, 1983·3 cites·5 claims
- 3330US4991550AOil pressure rush adjuster of a directly acting typeNITTAN VALVA·Filed 1990·Granted Feb 12, 1991·1 cites·5 claims
- 3430US4404259AMagnetic recording mediumTDK ELECTRONICS CO LTD·Filed 1981·Granted Sep 13, 1983·1 cites·10 claims
- 3528US4600650AMagnetic recording mediumTDK CORP·Filed 1983·Granted Jul 15, 1986·1 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →