Learn more

NGK SPARK PLUG CO

Overview
  • Total Patents
    21,545
  • GoodIP Patent Rank
    294
  • Filing trend
    ⇩ 17.0%
About

NGK SPARK PLUG CO has a total of 21,545 patent applications. It decreased the IP activity by 17.0%. Its first patent ever was published in 1965. It filed its patents most often in Japan, United States and EPO (European Patent Office). Its main competitors in its focus markets electrical machinery and energy, measurement and semiconductors are KLUGE CLAUS PETER, CURAMIK ELECTRONICS GMBH and SAMSUNG ELECTRIC MACHINES CO L.

Patent filings per year

Chart showing NGK SPARK PLUG COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Oshima Takafumi 465
#2 Matsutani Wataru 387
#3 Miyata Shigeru 319
#4 Matsubara Yoshihiro 299
#5 Ito Masaya 282
#6 Ishida Noboru 279
#7 Sato Manabu 279
#8 Honda Toshitaka 270
#9 Suzuki Akira 269
#10 Mitsuoka Takeshi 268

Latest patents

Publication Filing date Title
DE102020128895A1 GAS SENSOR
WO2021080005A1 Lithium ion conductive solid electrolyte and production method for lithium ion conductive solid electrolyte
US10978856B1 Spark plug
WO2021075351A1 Sensor system, and sensor system failure detecting method
US2021115869A1 Air-fuel ratio control system and air-fuel ratio control method
US10958044B1 Spark plug
US2021088471A1 Sensor element, gas sensor, and gas sensor unit
DE102020123028A1 Gas sensor control device, gas sensor device and control device for an internal combustion engine
US2021080423A1 Sensor element, gas sensor, and method for manufacturing sensor element
DE102020120876A1 spark plug
US2021041393A1 Sensor and method for manufacturing same
KR20210010399A Aluminum nitride sintered body, method of making the same, and semiconductor manufacturing equipment component using aluminum nitride sintered body
KR20210010398A Semiconductor manufacturing equipment component and method of making the same
WO2021010398A1 Produce management system
WO2021010399A1 Aquaculture system
WO2021010400A1 Water quality measuring system
WO2021010272A1 Wavelength conversion member, light source device and method for producing wavelength conversion member
WO2021010273A1 Wavelength conversion member for soldering, wavelength conversion device, and light source device
WO2021002416A1 Kitchen knife and blade
US2021013704A1 Ignition plug