Kouichi Okada

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Patents Grantslast 30 patents

Information Patent Grant
Phosphor composition, phosphor-coating composition, discharge lamp,...
- Patent number 5,523,018
- Issue date Jun 4, 1996
- Nichia Kagaku Kogyo K.K.
- Kouichi Okada
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Phosphor composition, phosphor-coating composition, discharge lamp...
- Patent number 5,433,888
- Issue date Jul 18, 1995
- Nichia Kagaku Kogyo, K.K.
- Kouichi Okada
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Phosphor coating composition, and discharge lamp
- Patent number 5,417,886
- Issue date May 23, 1995
- Nichia Kagaku Kogyo K.K.
- Toshiaki Tateiwa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Light-emitting composition and fluorescent lamp
- Patent number 4,890,033
- Issue date Dec 26, 1989
- Nichia Kagaku Kogyo K.K.
- Keizi Ichinomiya
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...