HK

Hideo Kitagawa

MK Meiji Seika Kaisha: 4 patents #131 of 752Top 20%
TC Taoka Chemical Co.: 2 patents #14 of 69Top 25%
SI Sanyo Chemical Industries: 1 patents #242 of 607Top 40%
SC Sumitomo Chemical: 1 patents #2,469 of 4,033Top 65%
Overall (All Time): #660,246 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
7238812 Tricyclic triazolobenzazepine derivatives, process for producing the same, and antiallergic agents Yasuo Ohtsuka, Toshio Nishizuka, Sohjiro Shiokawa, Seiji Tsutsumi, Mami Kawaguchi +7 more 2007-07-03
7022860 Tricyclic triazolobenzazepine derivatives, process for producing the same, and antiallergic agents Yasuo Ohtsuka, Toshio Nishizuka, Sohjiro Shiokawa, Seiji Tsutsumi, Mami Kawaguchi +7 more 2006-04-04
6831112 Polyether, active-hydrogen ingredient, resin-forming composition, and process for producing foam Motonao Kaku, Hidefumi Ohta, Kenji Nishiyama, Munekazu Satake, Kunikiyo Yoshio +1 more 2004-12-14
6677331 Carbapenem derivatives Yuko Kano, Toshiro Sasaki, Yumiko Sambongi, Kiyoshi Tanabe, Yoshihisa Akiyama +7 more 2004-01-13
6458780 Carbapenem derivatives Yuko Kano, Toshiro Sasaki, Yumiko Sambongi, Kiyoshi Tanabe, Yoshihisa Akiyama +7 more 2002-10-01
6372735 Tricyclic triazolobenzazepine derivatives, process for producing the same, and antiallergic Yasuo Ohtsuka, Toshio Nishizuka, Sohjiro Shiokawa, Seiji Tsutsumi, Mami Kawaguchi +7 more 2002-04-16
4734489 Trisazo compounds useful in producing water-resistant ink compositions Shinjiro Kawasaki, Yutaka Nishii, Hideo Kawashita, Minoru Akagi 1988-03-29
4592756 Dye solution composition Sinjiro Kawasaki, Yutaka Nishii 1986-06-03