HH

Hisashi Hayakawa

NT Ntn: 2 patents #5 of 82Top 7%
Overall (1997): #38,584 of 185,788Top 25%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5632474 Compact hydraulic autotensioner with return spring mounted around a sleeve Kazuki Kawashima, Norio Yamazaki, Ken Yamamoto, Satoshi Kitano 1997-05-27
5607368 Autotensioner Yoshikazu Hida, Tomoyoshi Izutsu 1997-03-04