Inventor · disambiguated record
Hirotoshi Niguchi
Also filed as: NIGUCHI HIROTOSHI · TAKAYAMA SATOSHI
4 granted patents·214 citations·filing 1977–1990
81Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD4
Top patents by PatentIndex Score
4 records- 0193US4140203AAcoustic diaphragm with polyurethane elastomer coatingMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1977·Granted Feb 20, 1979·102 cites·12 claims
- 0292US5118541AErasable optical disk media and method of recording/erasing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Jun 2, 1992·66 cites·14 claims
- 0376US4291781ASpeaker diaphragm and method of preparation of the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1979·Granted Sep 29, 1981·39 cites·9 claims
- 0437US4173701ASpeaker diaphragm molded from poly-biphenol phthalate type resin filmMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1977·Granted Nov 6, 1979·7 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →