TH

Takafumi Hirakawa

UI Ube Industries: 11 patents #70 of 1,686Top 5%
Overall (All Time): #463,346 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
9012537 Process for producing polyimide siloxane solution composition, and polyimide siloxane solution composition Susumu Takasaki, Hiroo Yamashita, Seiichirou Takabayashi, Tomoko Hayashida, Mitsuo Yamanaka 2015-04-21
8362194 Polymerizable composition and polythiocarbonate polythioether Masanori Watanabe, Atsushi Morikami 2013-01-29
8349995 Polythiocarbonatepoly(thio)epoxide Masanori Watanabe, Atsushi Morikami, Yasushi Nakamoto 2013-01-08
7544761 Polythiourethane Masanori Watanabe, Masahiko Watanabe, Atsushi Morikami 2009-06-09
7385022 Polythiocarbonate polythiol Masanori Watanabe, Masahiko Watanabe, Atsushi Morikami 2008-06-10
5994553 Method for preparing 2-mercaptothiazole Katsumasa Harada, Akio Matsushita, Taku Nakamura, Katsuhiko Mizutare, Ken Ikuno +1 more 1999-11-30
5808092 Process for preparing-1-ethyl-5-hydroxypyrazole Katsuhiko Mizutare, Ken Ikuno 1998-09-15
5250707 Process for preparing .epsilon.-caprolactone Yukio Inaba, Yohsuke Ueno, Suzuo Takiguchi 1993-10-05
5245029 Ion exchange purification method of aqueous caprolactam solution Yukio Inaba, Yasuhiro Kurokawa, Kanji Oyama 1993-09-14
5206425 Process for preparing perpropionic acid solution Yukio Inaba, Yohsuke Ueno, Suzuo Takiguchi 1993-04-27
5098607 Process for stabilizing percarboxylic acid Yukio Inaba, Hiromi Yabuta, Hiroyuki Iida 1992-03-24