ST

Shigeki Takayama

AC Asahi Kasei Chemicals: 10 patents #16 of 543Top 3%
AK Asahi Kasei Kabushiki Kaisha: 5 patents #67 of 1,220Top 6%
AC Asahi Kasei Kogyo Co.: 1 patents #565 of 1,395Top 45%
Overall (All Time): #300,666 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
8071676 Modified polymer and composition containing the same Takaaki Matsuda, Toshinori Shiraki, Shigeo Nakajima, Yasuhiro Kusanose 2011-12-06
7964674 Hydrogenated copolymer and composition containing the same Masahiro Sasagawa, Toshinori Shiraki, Shigeru Sasaki, Katsumi Suzuki, Takahiro Hisasue +1 more 2011-06-21
7960481 Hydrogenated copolymer and composition containing the same Masahiro Sasagawa, Toshinori Shiraki, Shigeru Sasaki, Katsumi Suzuki, Takahiro Hisasue +1 more 2011-06-14
7642318 Modified block copolymer Nobuaki Kubo, Yasuhiro Kusanose, Shigeo Nakajima, Takaaki Matsuda, Toshinori Shiraki 2010-01-05
7642317 Modified block copolymer Nobuaki Kubo, Yasuhiro Kusanose, Shigeo Nakajima, Takaaki Matsuda, Toshinori Shiraki 2010-01-05
7498387 Modified polymers and compositions containing the same Takaaki Matsuda, Toshinori Shiraki, Shigeo Nakajima, Yasuhiro Kusanose 2009-03-03
7414093 Modified block copolymer Nobuaki Kubo, Yasuhiro Kusanose, Shigeo Nakajima, Takaaki Matsuda, Toshinori Shiraki 2008-08-19
7371805 Hydrogenated copolymer and composition thereof Masahiro Sasagawa, Toshinori Shiraki, Shigeru Sasaki, Katsumi Suzuki, Takahiro Hisasue +1 more 2008-05-13
7279532 Modified hydrogenated copolymer Masahiro Sasagawa, Shigeru Sasaki, Takahiro Hisasue, Katsumi Suzuki, Shigeo Nakajima +1 more 2007-10-09
7256238 Modified block copolymer Nobuaki Kubo, Yasuhiro Kusanose, Shigeo Nakajima, Takaaki Matsuda, Toshinori Shiraki 2007-08-14
7122594 Modified block copolymer composition Nobuaki Kubo, Yasuhiro Kusanose, Toshinori Shiraki 2006-10-17
6875827 Hydrogenated polymer and process for producing the same Masahiro Sasagawa, Shinichi Nakajima, Takasi Sato, Toshinori Shiraki 2005-04-05
6852806 Hydrogenated copolymer Masahiro Sasagawa, Shigeru Sasaki, Takahiro Hisasue, Katsumi Suzuki, Shigeo Nakajima 2005-02-08
6833413 Block copolymer and composition containing the copolymer Masahiro Sasagawa, Shigeo Nakajima 2004-12-21
6767969 Hydrogenated polymer Masahiro Sasagawa, Shigeru Sasaki, Takashi Sato 2004-07-27
5455292 Hydrolytically stable, halogen-free flame retardant resin composition Junko Kakegawa 1995-10-03