Koichi Okada

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Patents Grantslast 30 patents

Information Patent Grant
Filling material, resin composition, package, and light-emitting de...
- Patent number 11,024,776
- Issue date Jun 1, 2021
- Nichia Corporation
- Yuji Akazawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Filling material, resin composition, package, and light-emitting de...
- Patent number 10,672,955
- Issue date Jun 2, 2020
- Nichia Corporation
- Yuji Akazawa
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Filling material, resin composition, package, light-emitting device...
- Patent number 10,297,726
- Issue date May 21, 2019
- Nichia Corporation
- Yuji Akazawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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
FILLING MATERIAL, RESIN COMPOSITION, PACKAGE, AND LIGHT-EMITTING DE...
- Publication number 20190237632
- Publication date Aug 1, 2019
- Nichia Corporation.
- Yuji AKAZAWA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
FILLING MATERIAL, RESIN COMPOSITION, PACKAGE, LIGHT-EMITTING DEVICE...
- Publication number 20190067528
- Publication date Feb 28, 2019
- Nichia Corporation.
- Yuji AKAZAWA
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
FILLING MATERIAL, RESIN COMPOSITION, PACKAGE, LIGHT-EMITTING DEVICE...
- Publication number 20180182930
- Publication date Jun 28, 2018
- Nichia Corporation.
- Yuji AKAZAWA
- C01 - INORGANIC CHEMISTRY