YH

Yukiko HIRAYAMA

TC Toyo Seikan Co.: 4 patents #175 of 888Top 20%
Overall (All Time): #1,155,249 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10995211 Oxygen-absorbing resin composition containing organic oxygen absorber Yoshiki Sawa, Toshiki Yamada, Kanna MURAMATSU 2021-05-04
10233306 Oxygen-absorbing resin composition Yoshiki Sawa, Toshiki Yamada 2019-03-19
9919291 Oxygen-absorbing resin composition Toshiki Yamada, Yoshiki Sawa 2018-03-20
9764308 Oxygen-absorbing resin composition Toshiki Yamada, Yoshiki Sawa 2017-09-19