Inventor · disambiguated record

Shumi Kumagai

Also filed as: KUMAGAI SHUMI

2 granted patents·114 citations·filing 1980–2006

67Inventor score

Technology areasH03H H04N

Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD1 TDK CORP1

Top patents by PatentIndex Score

2 records

0190US4342051AMethod of and system for reproducing or transmitting half-tone imagesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1980·Granted Jul 27, 1982·95 cites·6 claims
0285US7277270B2Multilayer filterTDK CORP·Filed 2006·Granted Oct 2, 2007·19 cites·3 claims

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