HH

Hiroshi Hachiya

AC Asahi Kasei Chemicals: 23 patents #3 of 543Top 1%
AC Asahi Kasei Kogyo Co.: 11 patents #24 of 1,395Top 2%
AK Asahi Kasei Kabushiki Kaisha: 5 patents #67 of 1,220Top 6%
DC Dowa Electronics Materials Co.: 2 patents #97 of 241Top 45%
TT The University Of Tokyo: 2 patents #500 of 2,633Top 20%
Overall (All Time): #73,695 of 4,157,543Top 2%
42
Patents All Time

Issued Patents All Time

Showing 26–42 of 42 patents

Patent #TitleCo-InventorsDate
6747080 Polycarbonate resin composition for the production of a substrate for an optical information medium Nobutsugu Namba 2004-06-08
RE38050 Polycarbonate comprising different kinds of bonding units and process for the preparation thereof Kyosuke Komiya, Miyuki Kazunori 2003-03-25
6512077 Polycarbonate-base flame-retardant resin composition Akira Miyamoto, Nobutsugu Nanba 2003-01-28
6506870 Polycarbonate resin for use in the production of a substrate for an optical information medium Shinya Kawasoe 2003-01-14
6417319 Flame-retardant polycarbonate resin composition with excellent melt flowability Kazuhiro Shibuya, Nobutsugu Nanba 2002-07-09
6277945 Method for producing an aromatic polycarbonate Kyosuke Komiya 2001-08-21
6117969 Polycarbonate resin compositions Nobutsugu Nanba 2000-09-12
6107440 Aromatic polycarbonate composition Kyosuke Komiya 2000-08-22
6017455 Porous membrane Teruyoshi Shimoda 2000-01-25
5997741 Process for preparing a polyether ether ketone membrane Teruyoshi Shimoda 1999-12-07
5972273 Method for producing a homogeneous polycarbonate composition 1999-10-26
5932683 Polycarbonate comprising different kinds of bonding units and process for the preparation thereof Kyosuke Komiya, Miyuki Kazunori 1999-08-03
5912289 Aromatic polycarbonate composition having improved thermal stability, and method for producing the same Kyosuke Komiya 1999-06-15
5852156 Polycarbonate composition Kyosuke Komiya, Tetsuo Hamada 1998-12-22
5762851 Method of producing polycarbonate pellets Kyosuke Komiya 1998-06-09
5719254 Discoloration-insusceptible polycarbonate composition Kyosuke Komiya 1998-02-17
5225526 Stabilized aromatic polycarbonate composition and process for producing same Isaburo Fukawa, Haruyuki Yoneda 1993-07-06