Hirokazu MAEKAWA

NO Nok: 1 patents #21 of 49Top 45%

Overall (2023): #424,542 of 537,848Top 80%

Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
11629783	Seal ring and sealing structure	—	2023-04-18