AY

Akihisa Yamashita

AK Asahi Kasei Kabushiki Kaisha: 2 patents #3 of 155Top 2%
Overall (2022): #181,176 of 548,613Top 35%
2
Patents 2022

Issued Patents 2022

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11504674 Polyolefin microporous film and lithium-ion secondary cell in which same is used Manabu Sekiguchi 2022-11-22
11242440 Polyolefin microporous membrane and production method thereof Masaki Katayama 2022-02-08