KH

Koichi Hatakeyama

TC Tpr Co.: 2 patents #2 of 22Top 10%
TC Tpr Industry Co.: 2 patents #2 of 10Top 20%
Overall (2020): #150,734 of 565,922Top 30%
2
Patents 2020

Issued Patents 2020

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10876494 Cylinder liner, block manufacturing method and cylinder liner manufacturing method Akira Sato 2020-12-29
10596624 Cast-iron cylindrical member and composite structure Akira Sayama, Akira Sato, Kazuki Seino, Katsuya OKUDA, Tomoki Takiguchi 2020-03-24