HS

Hiroyuki Sugiura

NC Nippon Piston Ring Co.: 2 patents #1 of 20Top 5%
OK Okuma: 2 patents #2 of 22Top 10%
SI Sumitomo Rubber Industries: 1 patents #128 of 295Top 45%
Overall (2020): #36,303 of 565,922Top 7%
5
Patents 2020

Issued Patents 2020

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
10859081 Tube pump Masamune NAGAHAMA, Hiroyuki Kaneko 2020-12-08
10780547 Machine tool Shoichi MORIMURA 2020-09-22
10702962 Swarf handing apparatus 2020-07-07
10619739 Piston ring Takuya OZAKI 2020-04-14
10578214 Piston ring and manufacturing method therefor Takuya OZAKI 2020-03-03