YT

Yotaro Tsutsumi

TC Toyo Seikan Co.: 6 patents #103 of 888Top 15%
Overall (All Time): #891,138 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5312659 Laminated film bag for packaging food Yoshiaki Otsuka, Hideaki Masuo 1994-05-17
4473989 Method, a line and a pouch supporting base for automatically filling up and sealing pouches at high speed Noboru Wakayama 1984-10-02
4454979 Laminated packing bag with spout formed from handle portion Masaomi Ikeda 1984-06-19
4428494 Easily-openable heat seal lid Kazumi Hirota, Senji Itoh, Tadahiko Katsura, Kikuo Matsuoka, Ichiro Hori +1 more 1984-01-31
D272047 Bag for holding liquid Masaomi Ikeda 1984-01-03
4403710 Easily-openable heat seal lid Kazumi Hirota, Senji Ito, Tadahiko Katsura, Kikuo Matsuoka, Ichiro Hori 1983-09-13