Kazutoshi Ohisa

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Organic EL device
- Patent number 6,603,140
- Issue date Aug 5, 2003
- TDK Corporation
- Isamu Kobori
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Organic electroluminescent device with electron injecting electrode...
- Patent number 6,359,384
- Issue date Mar 19, 2002
- TDK Corporation
- Kenji Nakaya
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Organic electroluminescent device
- Patent number 6,285,039
- Issue date Sep 4, 2001
- TDK Corporation
- Isamu Kobori
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Organic electroluminescent device with electrode of aluminum-lithiu...
- Patent number 6,172,458
- Issue date Jan 9, 2001
- TDK Corporation
- Kenji Nakaya
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Organic electroluminescent light emitting devices
- Patent number 6,118,212
- Issue date Sep 12, 2000
- TDK Corporation
- Kenji Nakaya
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Organic EL device
- Publication number 20020038867
- Publication date Apr 4, 2002
- TDK Corporation
- Isamu Kobori
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...