Inventor

HIRAOKA SEIJI

JP4 patents

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

TOMOE SYSTEM INC

1 patent

US6991283B2Jan 31, 2006

Shutter type guard apparatus for construction machine

TOMOE SYSTEM INC12 citations76

HONDA TATSURO

1 patent

US8804104B2Aug 12, 2014

Apparatus, system, and method for measuring thread features on pipe or tube end

HONDA TATSURO7 citations71

SAKAI KENTA

1 patent

US9267900B2Feb 23, 2016

Method for measuring thread element at end portion of pipe or tube

SAKAI KENTA2 citations51

NIPPON STEEL & SUMITOMO METAL CORP

1 patent

US9557165B2Jan 31, 2017

Method for measuring end portion shape of threaded pipe or tube

NIPPON STEEL & SUMITOMO METAL CORP0 citations36