Inventor

YAMAMOTO KOUZOU

JP4 patents

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

OSG CORP

1 patent

US6997085B2Feb 14, 2006

Threaded-fastener wrenching structure, threaded fastener and wrenching tool

OSG CORP35 citations89

KAGEYAMA AKIHIRO

1 patent

US8545156B2Oct 1, 2013

Screw tightening structure, screw and screw tightening tool

KAGEYAMA AKIHIRO18 citations77

DAIKIN MFG CO LTD

1 patent

US4996892AMar 5, 1991

Flywheel assembly

DAIKIN MFG CO LTD20 citations70

SUMITOMO RUBBER IND

1 patent

US5173353ADec 22, 1992

Air venting belt for retreading tires

SUMITOMO RUBBER IND5 citations59