TO

Takafumi Ohsawa

TC Toyo Seikan Co.: 2 patents #321 of 888Top 40%
Overall (All Time): #1,831,196 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11292908 Easy-to-tear, unstretched resin film and laminate film for packaging material using the same Satoshi Kawamura, Jiro Tomita, Yoshihiro Ohta, Takuya Hara 2022-04-05
11214041 Oxygen-absorbing packaging material Yoshihiro Ohta, Hiroki Komagata 2022-01-04