Masataka Okano

NC Nippon Piston Ring Co.: 1 patents #15 of 40Top 40%

📍 Ichinoseki, JP: #1 of 4 inventorsTop 25%

Overall (2019): #355,481 of 560,194Top 65%

Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
10385971	Piston ring	Noriaki Chida	2019-08-20