YM

Yoshihiro Matsubara

Ngk Spark Plug Co.: 56 patents #5 of 1,594Top 1%
Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%
HK Honda Giken Kogyo K.K.: 1 patents #97 of 311Top 35%
PL Pfu Limited: 1 patents #255 of 478Top 55%
SE Seiko Epson: 1 patents #5,551 of 7,774Top 75%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
📍 Daito, JP: #5 of 468 inventorsTop 2%
Overall (All Time): #38,158 of 4,157,543Top 1%
61
Patents All Time

Issued Patents All Time

Showing 51–61 of 61 patents

Patent #TitleCo-InventorsDate
5317267 Spark plug voltage probe for use with an internal combustion engine Shigeru Miyata, Hideji Yoshida, Yasuo Ito, Takashi Suzuki 1994-05-31
5294888 Device for detecting misfire of an internal combustion engine by comparing voltage waveforms associated with ignition system Shigeru Miyata, Takashi Suzuki, Yuuichi Shimasaki, Takashi Hisaki 1994-03-15
5269282 Misfire detector for use in internal combustion engine Shigeru Miyata, Hideji Yoshida, Yasuo Ito 1993-12-14
5253627 Burning condition detecting device and burning control device in an internal combustion engine Shigeru Miyata, Hideji Yoshida, Yasuo Ito 1993-10-19
5024534 Temperature sensor for use in a spark plug of an internal combustion engine Shuzo Matsumura 1991-06-18
4984905 Temperature and pressure detecting type spark plug Kozo Amano 1991-01-15
4912319 Detector device for mixing ratio for gasoline and alcohol or the like Shigeru Miyata, Kiyotaka Ohno 1990-03-27
4895444 Detector device for mixing ratio for gasoline and alcohol or the like Shigeru Miyata 1990-01-23
4843248 Mixing ratio sensor for liquid fuel Shigeru Miyata 1989-06-27
4824244 Sensor for mixing ratio of gasoline and alcohol or the like Shigeru Miyata 1989-04-25
4770129 Sensor for mixing ratio of gasoline and alcohol Shigeru Miyata 1988-09-13