Inventor · disambiguated record
Tsutomu Tsunooka
Also filed as: TSUNOOKA TSUTOMU
8 granted patents·220 citations·filing 1979–2004
88Inventor score
Top patents by PatentIndex Score
8 records- 0193US4278000APiezoelectric transducer for electrical string instruments and pickup means comprising the sameNGK SPARK PLUG CO·Filed 1979·Granted Jul 14, 1981·45 cites·13 claims
- 0289US4917810APiezoelectric composite materialNGK SPARK PLUG CO·Filed 1988·Granted Apr 17, 1990·56 cites·17 claims
- 0381US4675123APiezoelectric composite materialNGK SPARK PLUG CO·Filed 1985·Granted Jun 23, 1987·42 cites·22 claims
- 0473US5169551APiezoelectric composite materialNGK SPARK PLUG CO·Filed 1990·Granted Dec 8, 1992·23 cites·31 claims
- 0566US4638206ASheet-like piezoelectric elementNGK SPARK PLUG CO·Filed 1985·Granted Jan 20, 1987·43 cites·7 claims
- 0640US4874727AParticulate lead titanate ceramic and composite material containing sameNGK SPARK PLUG CO·Filed 1987·Granted Oct 17, 1989·7 cites·17 claims
- 0737US7368407B2High-frequency porcelain composition, process for producing the same and planar high-frequency circuitYASUFUKU CERAMICS CO LTD·Filed 2004·Granted May 6, 2008·0 cites·5 claims
- 0832US4704373ADielectric ceramic composition and process for producing the sameNGK SPARK PLUG CO·Filed 1986·Granted Nov 3, 1987·4 cites·2 claims
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