Masahiko Kitagawa

Person

Nara, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Compound semiconductor luminescent device
- Patent number 5,616,937
- Issue date Apr 1, 1997
- Sharp Kabushiki Kaisha
- Masahiko Kitagawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Compound semiconductor electroluminescent device
- Patent number 5,554,877
- Issue date Sep 10, 1996
- Sharp Kabushiki Kaisha
- Masahiko Kitagawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for producing a group II-VI compound semiconductor thin film...
- Patent number 5,508,522
- Issue date Apr 16, 1996
- Sharp Kabushiki Kaisha
- Kenji Nakanishi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor waveguide structure of a II-VI group compound
- Patent number 5,416,884
- Issue date May 16, 1995
- Sharp Kabushiki Kaisha
- Shinya Hirata
- G02 - OPTICS
Information Patent Grant
Luminescent material
- Patent number 5,270,614
- Issue date Dec 14, 1993
- Sharp Kabushiki Kaisha
- Masahiko Kitagawa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Electroluminescent device of compound semiconductor with buffer layer
- Patent number 5,237,182
- Issue date Aug 17, 1993
- Sharp Kabushiki Kaisha
- Masahiko Kitagawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of growth II-VI semiconducting compounds
- Patent number 5,204,283
- Issue date Apr 20, 1993
- Sharp Kabushiki Kaisha
- Masahiko Kitagawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electroluminescent device of II-IV compound semiconductor
- Patent number 5,198,690
- Issue date Mar 30, 1993
- Sharp Kabushiki Kaisha
- Masahiko Kitagawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process for preparing electroluminescent device of compound semicon...
- Patent number 5,187,116
- Issue date Feb 16, 1993
- Sharp Kabushiki Kaisha
- Masahiko Kitagawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Compound semiconductor luminescent device
- Patent number 5,113,233
- Issue date May 12, 1992
- Sharp Kabushiki Kaisha
- Masahiko Kitagawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electroluminescent device of compound semiconductor comprising ZnS...
- Patent number 5,103,269
- Issue date Apr 7, 1992
- Sharp Kabushiki Kaisha
- Yoshitaka Tomomura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process for preparing epitaxial compound semiconductor
- Patent number 5,100,832
- Issue date Mar 31, 1992
- Sharp Kabushiki Kaisha
- Masahiko Kitagawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process for preparing epitaxial II-VI compound semiconductor
- Patent number 5,057,183
- Issue date Oct 15, 1991
- Sharp Kabushiki Kaisha
- Yoshitaka Tomomura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electroluminescent device of compound semiconductor
- Patent number 5,055,363
- Issue date Oct 8, 1991
- Sarp Kabushiki Kaisha
- Yoshitaka Tomomura
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Electroluminescent device of compound semiconductor
- Patent number 5,037,709
- Issue date Aug 6, 1991
- Sharp Kabushiki Kaisha
- Yoshitaka Tomomura
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Electroluminescent device of compound semiconductor
- Patent number 4,988,579
- Issue date Jan 29, 1991
- Sharp Kabushiki Kaisha
- Yoshitaka Tomomura
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
ZnS blue light emitting device
- Patent number 4,916,496
- Issue date Apr 10, 1990
- Sharp Corporation
- Yoshitaka Tomomura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for the growth of a compound semiconductor crystal
- Patent number 4,869,776
- Issue date Sep 26, 1989
- Sharp Kabushiki Kaisha
- Masahiko Kitagawa
- C30 - CRYSTAL GROWTH

Masahiko Kitagawa

Person

Patents Grantslast 30 patents

Compound semiconductor luminescent device

Compound semiconductor electroluminescent device

Method for producing a group II-VI compound semiconductor thin film...

Semiconductor waveguide structure of a II-VI group compound

Luminescent material

Electroluminescent device of compound semiconductor with buffer layer

Method of growth II-VI semiconducting compounds

Electroluminescent device of II-IV compound semiconductor

Process for preparing electroluminescent device of compound semicon...

Compound semiconductor luminescent device

Electroluminescent device of compound semiconductor comprising ZnS...

Process for preparing epitaxial compound semiconductor

Process for preparing epitaxial II-VI compound semiconductor

Electroluminescent device of compound semiconductor

Electroluminescent device of compound semiconductor

Electroluminescent device of compound semiconductor

ZnS blue light emitting device

Method for the growth of a compound semiconductor crystal