MI

Masaaki Igarashi

SI Sumitomo Metal Industries: 2 patents #13 of 102Top 15%
Ricoh Company: 1 patents #810 of 1,683Top 50%
Overall (2011): #41,875 of 364,097Top 15%
3
Patents 2011

Issued Patents 2011

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8071020 High strength Cr-Ni alloy material and seamless pipe for oil well Yohei Otome, Hisashi Amaya, Hirokazu Okada 2011-12-06
7935303 Low alloy steel Takashi Nakashima, Kaori Kawano 2011-05-03
7898676 Image forming device, image forming method, image forming program, and recording medium Akira Ogawa 2011-03-01