NK

Noriko Kajiura

NK Nippon Kayaku: 11 patents #31 of 1,103Top 3%
Overall (All Time): #466,026 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8556406 Coloring matter consisting of trisazo compound, ink compositions, recording method, and colored body Takashi Yoshimoto 2013-10-15
8506697 Water-soluble azo compound or salt thereof, ink composition, and colored body Ryoutarou Morita 2013-08-13
8226222 Ink set, recording method, and colored object Yoshiaki Kawaida, Akira Kawaguchi 2012-07-24
7985287 Anthrapyridone compound or a salt thereof, magenta ink composition containing the anthrapyridone compound and colored product Yasuo Murakami, Yutaka Ishii, Hiroyuki Matsumoto 2011-07-26
7909926 Ink composition and colored product Hiroyuki Matsumoto, Yutaka Ishii, Makiko Kogo 2011-03-22
7871464 Anthrapyridone compound or salt thereof, magenta ink composition and colored product Daisuke Ono, Yutaka Ishii, Hiroyuki Matsumoto 2011-01-18
7785411 Anthrapyridone compound or salt thereof, magenta ink composition and colored product Yutaka Ishii, Hiroyuki Matsumoto, Yasuo Murakami, Tadayuki Kiyoyanagi 2010-08-31
7727320 Anthrapyridone compound, magenta ink composition and colored matter Hiroyuki Matsumoto 2010-06-01
7691191 Anthrapyridone compound, salt thereof, magenta ink composition and colored product Hiroyuki Matsumoto, Yutaka Ishii, Yasuo Murakami 2010-04-06
7678185 Anthrapyridone compound or salt thereof, magenta ink composition containing the same, and colored product Hiroyuki Matsumoto, Yutaka Ishii, Yasuo Murakami 2010-03-16
7223301 Anthrapyridone compound, water-based magenta ink composition and inkjet recording method Hiroyuki Matsumoto, Katsunori Fujii, Yasuo Shirasaki, Takafumi Fujii, Yasuo Murakami 2007-05-29