Keiji Ichinomiya

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Patents Grantslast 30 patents

Information Patent Grant
Sm-fe-N based alloy powder and process for producing the same
- Patent number 6,780,255
- Issue date Aug 24, 2004
- Nichia Chemical Industries, Ltd.
- Yohsiyuki Kawano
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Sm-Fe-N alloy powder and process for the production thereof
- Patent number 6,334,908
- Issue date Jan 1, 2002
- Nichia Chemical Industries, Ltd.
- Yohsiyuki Kawano
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Lamp containing long decay phosphor
- Patent number 5,859,496
- Issue date Jan 12, 1999
- Nichia Chemical Industries, Ltd.
- Yoshinori Murazaki
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Phosphor composition used for fluorescent lamp and fluorescent lamp...
- Patent number 5,049,779
- Issue date Sep 17, 1991
- Nichia Kagaku Kogyo K.K.
- Yuji Itsuki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Green fluorescence-emitting material and a fluorescent lamp provide...
- Patent number 4,423,349
- Issue date Dec 27, 1983
- Nichia Denshi Kagaku Co., Ltd.
- Shigeharu Nakajima
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
Sm-Fe-N based alloy powder and process for producing the same
- Publication number 20020029824
- Publication date Mar 14, 2002
- Yoshiyuki Kawano
- C01 - INORGANIC CHEMISTRY