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Seiichi Yonekawa

HZ Hitachi Zosen: 1 patents #216 of 531Top 45%
📍 Kasai, JP: #2,743 of 5,842 inventorsTop 50%
Overall (All Time): #2,287,470 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5424026 Method and apparatus for compressively molding cushioning material made from recycled paper or pulp Masatoshi Tohbo, Shigeru Miyawaki, Koichi Yoshida, Kiyohisa Ueda, Katsuhiro Yamaji +3 more 1995-06-13
5344595 Method of producing a cushion from waste paper or pulp Shinji Aoki, Shigeru Miyawaki, Koichi Yoshida 1994-09-06