Akihiko Tokida

Person

Kawagoe, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Light-emitting diodes with hetero-PN-junction
- Patent number 6,559,473
- Issue date May 6, 2003
- Hoechst Japan Limited
- Nu Yu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process for patterning poly(arylenevinylene) polymer films by irrad...
- Patent number 6,361,917
- Issue date Mar 26, 2002
- Hoechst Aktiengesellschaft
- Wen-Bing Kang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Radiation absorbing polymer and synthesis thereof
- Patent number 6,184,305
- Issue date Feb 6, 2001
- Clariant Finance (BVI) Limited
- Wen-Bing Kan
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Organic electroluminescent device
- Patent number 5,919,579
- Issue date Jul 6, 1999
- Hoechst Aktiengesellschaft
- Wen-Bing Kang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Organic electroluminescent device
- Patent number 5,871,854
- Issue date Feb 16, 1999
- Hoechst Aktiengesellschaft
- Akihiko Tokida
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Polymer films for detecting chemical substances
- Patent number 5,817,727
- Issue date Oct 6, 1998
- Hoechst Aktiengesellschaft
- Werner Prass
- G01 - MEASURING TESTING
Information Patent Grant
Polymer films for detecting chemical substances
- Patent number 5,665,844
- Issue date Sep 9, 1997
- Hoechst Aktiengesellschaft
- Werner Prass
- G01 - MEASURING TESTING
Information Patent Grant
Interference enhanced optical sensor for detecting chemical species
- Patent number 5,563,707
- Issue date Oct 8, 1996
- Hoechst Aktiengesellschaft
- Werner Prass
- G01 - MEASURING TESTING

Akihiko Tokida

Person

Patents Grantslast 30 patents

Light-emitting diodes with hetero-PN-junction

Process for patterning poly(arylenevinylene) polymer films by irrad...

Radiation absorbing polymer and synthesis thereof

Organic electroluminescent device

Organic electroluminescent device

Polymer films for detecting chemical substances

Polymer films for detecting chemical substances

Interference enhanced optical sensor for detecting chemical species