HH

Hiroyuki Hanahata

AK Asahi Kasei Kabushiki Kaisha: 2 patents #302 of 1,220Top 25%
AC Asahi Kasei Kogyo Co.: 2 patents #303 of 1,395Top 25%
AE Asahi Kasei Emd: 1 patents #22 of 84Top 30%
Overall (All Time): #1,028,136 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7563557 Polyamide Masashi Kimura, Takayuki Kanada 2009-07-21
7081272 Coating composition for forming low-refractive index thin layers Yoro Sasaki, Takaaki Ioka 2006-07-25
6787191 Coating composition for the production of insulating thin films Toru Araki, Mikihiko Nakamura 2004-09-07
6245876 Continuous molded article for polyurethaneurea and production method thereof Yoshihiko Shimaya 2001-06-12
5541280 Linear segmented polyurethaneurea and process for production thereof Seiji Goto 1996-07-30