TS

Tetsuo Shiraga

UN Unknown: 2 patents #12,644 of 83,584Top 20%
Overall (All Time): #1,529,229 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8691141 Low carbon resulfurized free cutting steel Toshiyuki Murakami, Kunikazu Tomita 2014-04-08
8124008 Free cutting steel Toshiyuki Murakami, Kiyohito Ishida, Katsunari Oikawa 2012-02-28
6558484 High strength screw Hiroshi Onoe, Katsuhiko Kikuchi 2003-05-06