HH

Hiroshi Hachiya

AC Asahi Kasei Chemicals: 1 patents #1 of 13Top 8%
AK Asahi Kasei Kabushiki Kaisha: 1 patents #17 of 123Top 15%
Overall (2004): #62,521 of 270,089Top 25%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6833397 Method for producing a flame retardant polycarbonate resin composition Akira Miyamoto, Kazuhiro Shibuya, Chung Neng Wu, Wen-Yi Su 2004-12-21
6747080 Polycarbonate resin composition for the production of a substrate for an optical information medium Nobutsugu Namba 2004-06-08