MT

Masanori Tsukahara

HZ Hitachi Zosen: 4 patents #4 of 38Top 15%
📍 Ibaraki, JP: #35 of 769 inventorsTop 5%
Overall (2002): #13,761 of 266,432Top 6%
4
Patents 2002

Issued Patents 2002

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6467628 Plastic chip separator Hidehiko Maehata, Tetsuya Inoue, Hiroyuki Daiku, Daisuke Tamakoshi 2002-10-22
6426474 Method and apparatus for separating plastic Hidehiko Maehata, Tetsuya Inoue, Hiroaki Arai, Daisuke Tamakoshi, Kenichi Nagai 2002-07-30
6415929 Method of separating plastic Hidehiko Maehata, Tetsuya Inoue, Daisuke Tamakoshi 2002-07-09
6357390 Electric screen device Hidehiko Maehata, Daisuke Tamakoshi, Tomohiko Suzaki, Yutaka Isawa 2002-03-19