Takuya Shimamura

Ngk Spark Plug Co.: 2 patents #30 of 208Top 15%

📍 Iwakura, JP: #4 of 11 inventorsTop 40%

Overall (2019): #114,681 of 560,194Top 25%

Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
10355458	Production method of spark plug	—	2019-07-16
10297983	Method of manufacturing spark plug	—	2019-05-21