Inventor · disambiguated record
Tadashi Nagaoka
Also filed as: HINO IZUMI · NAGAOKA TADASHI
11 granted patents·171 citations·filing 1974–2013
90Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD6NAGAOKA TADASHI2BIOPHRAGM CO INC1HI TECH INTERNATIONAL LAB COMP1SHIMADZU CORP1
Top patents by PatentIndex Score
11 records- 0193US4347903AElectronic reading balanceSHIMADZU CORP·Filed 1979·Granted Sep 7, 1982·59 cites·3 claims
- 0290US7483545B2Acoustic diaphragmNAGAOKA TADASHI·Filed 2005·Granted Jan 27, 2009·32 cites·36 claims
- 0378US4974559ACombustion system and combustion apparatus for internal combustion engineHI TECH INTERNATIONAL LAB COMP·Filed 1988·Granted Dec 4, 1990·32 cites·34 claims
- 0474US7986805B2Acoustic diaphragmNAGAOKA TADASHI·Filed 2008·Granted Jul 26, 2011·6 cites·2 claims
- 0567US4168835ADevice for loading a recording disc in a recording reproducing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1977·Granted Sep 25, 1979·14 cites·8 claims
- 0665US4063285APickup device with a composite compliance armMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1975·Granted Dec 13, 1977·12 cites·11 claims
- 0748US4069503AApparatus for recording and reproducing signals using a disc-like recording mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1974·Granted Jan 17, 1978·5 cites·6 claims
- 0845USD262620SVideo disc playerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1979·Granted Jan 12, 1982·4 cites·1 claims
- 0945US4037253APressure sensitive signal reproducing system for a videodiscMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1975·Granted Jul 19, 1977·5 cites·9 claims
- 1029US4171136AReproducing apparatus for a disk-shaped recording mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1978·Granted Oct 16, 1979·1 cites·5 claims
- 1126USD722592SSpeaker boxBIOPHRAGM CO INC·Filed 2013·Granted Feb 17, 2015·1 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Tadashi Nagaoka files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →