Inventor · disambiguated record
Seiichi Sakai
Also filed as: SAKAI SEIICHI
19 granted patents·1 pending application·243 citations·filing 1982–2018
94Inventor score
Top patents by PatentIndex Score
20 records- 0183US4636931APhotovoltaic power control systemSHIKOKU ELEC POWER·Filed 1986·Granted Jan 13, 1987·79 cites·3 claims
- 0272US4444040AMethod and apparatus for detecting gas components in oil in oil-filled deviceHITACHI LTD·Filed 1982·Granted Apr 24, 1984·29 cites·6 claims
- 0369US4502320AMethod and apparatus for diagnosing oil-filled electric apparatusHITACHI LTD·Filed 1982·Granted Mar 5, 1985·23 cites·25 claims
- 0464US5321569ARotary magnetic head drum assemblySONY CORP·Filed 1992·Granted Jun 14, 1994·15 cites·8 claims
- 0561US6658196B2Editing technique merging video signals recorded on the same optical diskSONY CORP·Filed 1998·Granted Dec 2, 2003·15 cites·10 claims
- 0660US6657430B2Noncontact type magnetic hear wear-rate measuring apparatusSONY CORP·Filed 2001·Granted Dec 2, 2003·4 cites·11 claims
- 0756US6453113B1Editing apparatus and editing methodSONY CORP·Filed 1998·Granted Sep 17, 2002·12 cites·23 claims
- 0853US6636687B1Integrated recording and editing apparatus and systemSONY CORP·Filed 1998·Granted Oct 21, 2003·15 cites·10 claims
- 0949US5729133ANoncontact type magnetic head for detecting rate-of-wear in a rotating magnetic headSONY CORP·Filed 1996·Granted Mar 17, 1998·14 cites·9 claims
- 1046US5296976AMagnetic recording/reproducing deviceSONY CORP·Filed 1991·Granted Mar 22, 1994·7 cites·2 claims
- 1145US5270873ASignal recording and editing apparatusSONY CORP·Filed 1991·Granted Dec 14, 1993·6 cites·7 claims
- 1244US7555204B2Integrated recording and editing apparatus and systemSONY CORP·Filed 2003·Granted Jun 30, 2009·0 cites·20 claims
- 1344US5410435AInformation signal recording apparatus for recording tracking signals in nonadjacent tracking areas of oblique tracks formed on magnetic recording mediumSONY CORP·Filed 1993·Granted Apr 25, 1995·6 cites·14 claims
- 1443US6040693AUser initiated magnetic head wear measuring and display systemSONY CORP·Filed 1997·Granted Mar 21, 2000·6 cites·14 claims
- 1542US11680722B2Device control systemDAIKIN IND LTD·Filed 2018·Granted Jun 20, 2023·0 cites·7 claims
- 1642US5585982ARotary drum apparatus with head rotation locus adjustment arrangementSONY CORP·Filed 1994·Granted Dec 17, 1996·5 cites·14 claims
- 1741US2018307426A1Storage apparatus and storage control methodFUJITSU LTD·Filed 2018·Application pending·0 cites
- 1834US5929632AApparatus for determining magnetic head wearSONY CORP·Filed 1997·Granted Jul 27, 1999·2 cites·6 claims
- 1934US5539585AApparatus for recording an information signal in a normal record mode and an edit modeSONY CORP·Filed 1994·Granted Jul 23, 1996·2 cites·17 claims
- 2029US5253128ASignal recording and reproducing apparatus with redundant control signal headSONY CORP·Filed 1991·Granted Oct 12, 1993·3 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →