Inventor · disambiguated record
Seizo Watanabe
Also filed as: WATANABE SEIZO
18 granted patents·272 citations·filing 1974–2010
95Inventor score
Files withOLYMPUS OPTICAL CO14HITACHI SHIPBUILDING ENG CO1KAMADA AKIRA1SUGIYAMA NATSUKI1UCHIYAMA MFG1
Top patents by PatentIndex Score
18 records- 0191US6981704B2GasketUCHIYAMA MFG·Filed 2003·Granted Jan 3, 2006·47 cites·6 claims
- 0288US4309002AMechanism for preventing loosening of magnetic recording tape of tape cassetteOLYMPUS OPTICAL CO·Filed 1980·Granted Jan 5, 1982·35 cites·9 claims
- 0386US8763588B2Vibration insulator for fuel injection valve, and support structure for fuel injection valveSUGIYAMA NATSUKI·Filed 2010·Granted Jul 1, 2014·9 cites·14 claims
- 0483US8978624B2Vibration damping insulator for fuel injection valveKAMADA AKIRA·Filed 2010·Granted Mar 17, 2015·7 cites·11 claims
- 0583US4724962ADisk jacketOLYMPUS OPTICAL CO·Filed 1986·Granted Feb 16, 1988·34 cites·12 claims
- 0681US4372504AMagnetic record tape protective device for a tape cassetteOLYMPUS OPTICAL CO·Filed 1980·Granted Feb 8, 1983·24 cites·18 claims
- 0770US4356524AMagnetic headOLYMPUS OPTICAL CO·Filed 1980·Granted Oct 26, 1982·15 cites·6 claims
- 0869US4363042AMethod and apparatus for automatically tracking a magnetic tapeOLYMPUS OPTICAL CO·Filed 1980·Granted Dec 7, 1982·15 cites·10 claims
- 0969US3988176AAlloy for moldHITACHI SHIPBUILDING ENG CO·Filed 1974·Granted Oct 26, 1976·12 cites·1 claims
- 1067US4086510AFlat miniature dynamoelectric machineOLYMPUS OPTICAL CO·Filed 1976·Granted Apr 25, 1978·20 cites·12 claims
- 1166US4489124AProcess for forming thin film, heat treatment process of thin film sheet, and heat treatment apparatus thereforOLYMPUS OPTICAL CO·Filed 1982·Granted Dec 18, 1984·19 cites·11 claims
- 1260US4390917ADevice for detecting edge of magnetic tape for recording signalsOLYMPUS OPTICAL CO·Filed 1980·Granted Jun 28, 1983·10 cites·10 claims
- 1348US4352473ATape cassetteOLYMPUS OPTICAL CO·Filed 1980·Granted Oct 5, 1982·6 cites·8 claims
- 1446US4330802AMagnetic cassette tape record and play apparatusOLYMPUS OPTICAL CO·Filed 1980·Granted May 18, 1982·6 cites·8 claims
- 1544US4320879ATape cassette drive assemblyOLYMPUS OPTICAL CO·Filed 1980·Granted Mar 23, 1982·5 cites·8 claims
- 1642US4355750ADouble-capstan tape driving deviceOLYMPUS OPTICAL CO·Filed 1980·Granted Oct 26, 1982·4 cites·8 claims
- 1736US4407861AMethod of manufacturing a magnetic recording medium of thin metallic film typeOLYMPUS OPTICAL CO·Filed 1982·Granted Oct 4, 1983·2 cites·4 claims
- 1834US4316590ATape cassetteOLYMPUS OPTICAL CO·Filed 1980·Granted Feb 23, 1982·2 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →