Inventor · disambiguated record
Shunichi Takagi
Also filed as: FUKUOKA MASARU · TAKAGI SHUNICHI
17 granted patents·1 pending application·372 citations·filing 1977–2020
95Inventor score
Top patents by PatentIndex Score
18 records- 0190US4400643AWide thermal range spark plugNGK SPARK PLUG CO·Filed 1980·Granted Aug 23, 1983·56 cites·31 claims
- 0289US4427915ASpark plug and the process for production thereofNGK SPARK PLUG CO·Filed 1980·Granted Jan 24, 1984·52 cites·26 claims
- 0388US4991991AJoint structure between a ceramic shaft and a metallic shaftNGK SPARK CO LTD·Filed 1987·Granted Feb 12, 1991·53 cites·10 claims
- 0487US4261085AMethod of making an ignition plug insulator having an electrically conductive endNGK SPARK PLUG CO·Filed 1978·Granted Apr 14, 1981·34 cites·1 claims
- 0580US4224554ASpark plug having a low noise levelNGK SPARK PLUG CO·Filed 1979·Granted Sep 23, 1980·26 cites·4 claims
- 0678US4173731AResistor composition for spark plug having a resistor enclosed thereinNGK SPARK PLUG CO·Filed 1978·Granted Nov 6, 1979·24 cites·16 claims
- 0777US4414483ASpark plug and manufacturing process thereofNGK SPARK PLUG CO·Filed 1980·Granted Nov 8, 1983·27 cites·30 claims
- 0872US4144474ALow noise resistance containing spark plugNGK SPARK PLUG CO·Filed 1977·Granted Mar 13, 1979·20 cites·2 claims
- 0961US4582813ASintered alumina productNGK SPARK PLUG CO·Filed 1984·Granted Apr 15, 1986·16 cites·6 claims
- 1060US4657825AElectronic component using a silicon carbide substrate and a method of making itNGK SPARK PLUG CO·Filed 1985·Granted Apr 14, 1987·17 cites·16 claims
- 1154US4415828ASparkplug with antifouling coating on discharge end of insulatorNGK SPARK PLUG CO·Filed 1981·Granted Nov 15, 1983·13 cites·8 claims
- 1252US4723863AMethod and means for joining a ceramic shaft and metal sleeveNGK SPARK PLUG CO·Filed 1986·Granted Feb 9, 1988·11 cites·2 claims
- 1351US12502120B2Muscle relaxation monitoring apparatus and patient monitorNIHON KOHDEN CORP·Filed 2020·Granted Dec 23, 2025·0 cites·20 claims
- 1448US12446821B2Muscle relaxation monitoring apparatus and calibration processing methodNIHON KOHDEN CORP·Filed 2020·Granted Oct 21, 2025·0 cites·5 claims
- 1545US2022401007A1Muscle relaxation monitoring apparatus and calibration processing methodNIHON KOHDEN CORP·Filed 2020·Application pending·0 cites
- 1644US4442375AElectrical self-purification ignition plugNGK SPARK PLUG CO·Filed 1980·Granted Apr 10, 1984·7 cites·6 claims
- 1744US4427914ASparkplug with improved antifouling performanceNGK SPARK PLUG CO·Filed 1981·Granted Jan 24, 1984·9 cites·9 claims
- 1844US4393324ASpark plug with a sphere-like metal center electrode and manufacturing process thereofNGK SPARK PLUG CO·Filed 1980·Granted Jul 12, 1983·7 cites·25 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →