Inventor

MATSUOKA HIROSHIGE

JP2 patents

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

MITSUBISHI HEAVY IND LTD

1 patent

US7033138B2Apr 25, 2006

Ring segment of gas turbine

MITSUBISHI HEAVY IND LTD116 citations95

IDEMITSU KOSAN CO

1 patent

US6562766B1May 13, 2003

Metal working oil composition

IDEMITSU KOSAN CO15 citations76