Inventor

IWAMA HIDEYO

JP3 patents

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

NIPPON PISTON RING CO LTD

2 patents

US6553957B1Apr 29, 2003

Combination of cylinder liner and piston ring of internal combustion engine

NIPPON PISTON RING CO LTD46 citations88

US6726218B2Apr 27, 2004

Compression piston ring for use in internal combustion engine

NIPPON PISTON RING CO LTD3 citations59

HINO MOTORS LTD

1 patent

US9804059B2Oct 31, 2017

Turbo rotational frequency detection device

HINO MOTORS LTD1 citations49