YK

Yohsuke Koizumi

AC Asahi Kasei Chemicals: 3 patents #106 of 543Top 20%
AC Asahi Kasei Kogyo Co.: 2 patents #303 of 1,395Top 25%
AK Aisan Kogyo Kabushiki Kaisha: 1 patents #344 of 642Top 55%
AK Asahi Kasei Kabushiki Kaisha: 1 patents #556 of 1,220Top 50%
Overall (All Time): #734,353 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
9259688 Method for reducing nitrogen oxide from internal combustion engine and apparatus therefor Atsushi Shimizu, Hirokazu Ohno, Tomohiro Niihama, Masahiro Tsukamoto 2016-02-16
8523982 Separation membrane module and fuel vapor processing apparatus equipped with the same Takashi Suefuji, Masataka Suzuki, Akio Muraishi, Shota YAMANAKA, Hiroyoshi Ohya +1 more 2013-09-03
8110289 Sintered body, resin particles and method for producing the same Hatsuyo Ohyagi 2012-02-07
7758953 Sintered body, resin particles, and method for producing the same Hatsuyo Ohyagi 2010-07-20
6689465 Porous beads and process for producing the same Akihiro Omori 2004-02-10
4767797 Photocurable compositions of poly(ethynylphenyl)acetylene, its copolymer and composition thereof Hideo Ai, Naohiro Tsuruta 1988-08-30
4667006 Poly(ethynylphenyl)acetylene, its copolymer and composition thereof Hideo Ai, Naohiro Tsuruta 1987-05-19