MI

Masataka Ishihara

KC Koyo Seiko Co.: 2 patents #228 of 749Top 35%
📍 Nara, JP: #1,375 of 2,795 inventorsTop 50%
Overall (All Time): #2,166,258 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7135053 Brittle formed product and iron-based power material and method for manufacturing these materials Akio Maemoto, Mitsuma Matsuda, Yoshihiro Seo, Shouichi Kashino 2006-11-14
7011017 Compactor Daiki Satou, Yoshihiro Seio, Mitsuma Matsuda, Tsunetsugu Hasegawa, Mitsuru Yamamoto 2006-03-14