Inventor

HANAHARA AKIRA

JP4 patents

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

HANAHARA AKIRA

2 patents

US8887933B2Nov 18, 2014

Counterweight suspension device and mobile crane

HANAHARA AKIRA2 citations54

US8302789B2Nov 6, 2012

Rotating superstructure and crane

HANAHARA AKIRA4 citations48

SUMITOMO HEAVY IND CONSTR

1 patent

US7008514B2Mar 7, 2006

Door opening and closing mechanism

SUMITOMO HEAVY IND CONSTR8 citations65

HITACHI SUMITOMO HEAVY IND CONSTRUCTION CRANE CO LTD

1 patent

US10099905B2Oct 16, 2018

Crane

HITACHI SUMITOMO HEAVY IND CONSTRUCTION CRANE CO LTD1 citations39