SH

Seiji Hiraoka

NM Nippon Steel & Sumitomo Metal: 3 patents #369 of 1,491Top 25%
CG Carl Mahr Holding Gmbh: 1 patents #12 of 50Top 25%
NS Nippon Cable System: 1 patents #25 of 90Top 30%
PC Press Kogyo Co.: 1 patents #12 of 24Top 50%
SM Shin Caterpillar Mitsubishi: 1 patents #64 of 184Top 35%
Overall (All Time): #1,191,703 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9557165 Method for measuring end portion shape of threaded pipe or tube Kenta Sakai, Tatsuro Honda 2017-01-31
9267900 Method for measuring thread element at end portion of pipe or tube Kenta Sakai, Tatsuro Honda 2016-02-23
8804104 Apparatus, system, and method for measuring thread features on pipe or tube end Tatsuro Honda, Mutsumi Tanida, Yasuhisa Kasa, Konrad Friedrich, Erhard Gruener 2014-08-12
6991283 Shutter type guard apparatus for construction machine Eiji Akahane, Yusuke Harayama, Mikiya Yagi 2006-01-31