SS

Shinichi Sakurai

DC Daido Metal Company: 6 patents #51 of 280Top 20%
KK Kanegafuchi Kagaku Kogyo: 1 patents #368 of 691Top 55%
Ngk Spark Plug Co.: 1 patents #959 of 1,594Top 65%
Overall (All Time): #632,470 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
10612594 Main bearing for crankshaft of internal combustion engine Seiji Amano 2020-04-07
10557495 Connecting rod bearing for crankshaft of internal combustion engine Seiji Amano 2020-02-11
10550884 Half bearing and sliding bearing Seiji Amano 2020-02-04
10408256 Half thrust bearing 2019-09-10
10302124 Half bearing and sliding bearing Seiji Amano, Akifumi Yamamoto 2019-05-28
10233967 Half thrust bearing 2019-03-19
8128446 Method for manufacturing a spark plug insulator including steps for forming a through hole therein Toshitaka Honda, Takamitsu Mizuno 2012-03-06
4999402 Methacrylic acid ester resin composition Sumio Yamamoto 1991-03-12