HO

Hiroyoshi Ohya

AK Aisan Kogyo Kabushiki Kaisha: 1 patents #344 of 642Top 55%
AC Asahi Kasei Chemicals: 1 patents #262 of 543Top 50%
AC Asahi Kasei Kogyo Co.: 1 patents #565 of 1,395Top 45%
📍 Los Angeles, CA: #3,695 of 12,377 inventorsTop 30%
🗺 California: #149,087 of 386,348 inventorsTop 40%
Overall (All Time): #1,514,268 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8931647 Highly durable porous PVDF film, method of producing the same and washing method and filtration method using the same Satoshi Shiki, Noboru Kubota, Makiko Hattori 2015-01-13
8523982 Separation membrane module and fuel vapor processing apparatus equipped with the same Takashi Suefuji, Masataka Suzuki, Akio Muraishi, Shota YAMANAKA, Yohsuke Koizumi +1 more 2013-09-03
6165363 Hollow fiber type filtration membrane Teruhiko Oishi 2000-12-26