YH

Yuzo Hayashi

IC Irie Koken Co.: 1 patents #1 of 2Top 50%
Overall (1997): #54,590 of 185,788Top 30%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5626324 Non-sliding vacuum gate valve Yoshinobu Nakamura 1997-05-06