Yasuyuki Kitayama

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Saitama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Aminium salt or diimonium salt compounds and use thereof
- Patent number 6,475,590
- Issue date Nov 5, 2002
- Nippon Kayaku Kabushiki Kaisha
- Yasuyuki Kitayama
- 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
Near-infrared absorbing compound and near-infrared absorbing filter...
- Publication number 20060091365
- Publication date May 4, 2006
- Yasuyuki Kitayama
- G02 - OPTICS
Information Patent Application
Ink compositon
- Publication number 20060001006
- Publication date Jan 5, 2006
- Yasuyuki Kitayama
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Diimonium salt compound, near-infrared ray absorbing filter and opt...
- Publication number 20040137367
- Publication date Jul 15, 2004
- Yasuyuki Kitayama
- G02 - OPTICS
Information Patent Application
Europium compounds and ink compositions containing the same
- Publication number 20040107868
- Publication date Jun 10, 2004
- Masaaki Ikeda
- C07 - ORGANIC CHEMISTRY