Inventor

HIRAKAWA YOSHIAKI

JP3 patents

⚠️ This page may combine multiple inventors who share the name “HIRAKAWA YOSHIAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CITIZEN HOLDINGS CO LTD

2 patents

US7555973B2Jul 7, 2009

Automatic lathe

CITIZEN HOLDINGS CO LTD8 citations81

US7464628B2Dec 16, 2008

Automatic lathe

CITIZEN HOLDINGS CO LTD8 citations71

NAT UNIV CORP YOKOHAMA NAT UNI

1 patent

US7827925B2Nov 9, 2010

Apparatus and method for drop-down/lift-up boat mounted on marine vessel

NAT UNIV CORP YOKOHAMA NAT UNI5 citations49