YI

Yasuhiro Ishikawa

IC Idemitsu Kosan Co.: 3 patents #17 of 131Top 15%
Overall (2019): #62,443 of 560,194Top 15%
3
Patents 2019

Issued Patents 2019

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10472518 Method for producing polycarbonate-polyorganosiloxane copolymer Tomoko Abe, Yohei Koori, Masaru Nakagawa 2019-11-12
10239993 Branched polycarbonate resin and method for producing same Yumi NAKAYAMA, Koichi Suga 2019-03-26
10189942 Polyorganosiloxane, polycarbonate-polyorganosiloxane copolymer, and production method therefor Tomoko Abe 2019-01-29