Junko Yoshioka

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Patents Grantslast 30 patents

Information Patent Grant
Cyan dye mixture, water-based cyan ink composition, and method of i...
- Patent number 7,034,149
- Issue date Apr 25, 2006
- Nippon Kayaku Kabushiki Kaisha
- Kitayama Hirokazu
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Anthrapyridone compound, aqueous magenta ink compositions and ink-j...
- Patent number 6,648,952
- Issue date Nov 18, 2003
- Nippon Kayaku Kabushiki Kaisha
- Hiroyuki Matsumoto
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Water-soluble disazo compounds, aqueous ink compositions, and color...
- Patent number 6,143,062
- Issue date Nov 7, 2000
- Nippon Kayaku Kabushiki Kaisha
- Takashi Miyazawa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for producing dioxazine compounds, colored materials therew...
- Patent number 5,859,242
- Issue date Jan 12, 1999
- Nippon Kayaku Kabushiki Kaisha
- Masaaki Ikeda
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing dioxazine compounds, colored materials therew...
- Patent number 5,734,050
- Issue date Mar 31, 1998
- Nippon Kayaku Kabushiki Kaisha
- Masaaki Ikeda
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Europium compounds and ink compositions containing the same
- Publication number 20060145122
- Publication date Jul 6, 2006
- Masaaki Ikeda
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Europium compounds and ink compositions containing the same
- Publication number 20040107868
- Publication date Jun 10, 2004
- Masaaki Ikeda
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Cyan dye mixture, water-based cyan ink composition, and method of i...
- Publication number 20030164114
- Publication date Sep 4, 2003
- Hirokazu Kitayama
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...