MH

Masaki Hirokoh

Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
Overall (All Time): #1,617,937 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6441968 Zoom lens and video camera and electronic still camera using this Hiroaki Okayama, Shusuke Ono 2002-08-27
6197251 Porous metal material, and method for manufacturing same Akira Hashimoto, Junjirou Awano, Katsuhiro Okamoto, Tsumoru Ohata, Yoriko Takai 2001-03-06
5229173 Method of producing a magnetic recording media Hiroshi Suzuki, Tousaku Nishiyama, Tsumoru Ohata 1993-07-20