Yukio Toyoda

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method of producing a laser device
- Patent number 5,514,619
- Issue date May 7, 1996
- Matsushita Electric Industrial Co., Ltd.
- Shinichi Wakabayashi
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method of making an optical semiconductor device
- Patent number 5,397,740
- Issue date Mar 14, 1995
- Matsushita Electric Industrial Co., Ltd.
- Yukio Toyoda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of forming fine structure on compound semiconductor with inc...
- Patent number 5,376,225
- Issue date Dec 27, 1994
- Matsushita Electric Industrial Co., Ltd.
- Shinichi Wakabayashi
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method for producing fine structure for electronic device
- Patent number 5,372,675
- Issue date Dec 13, 1994
- Matsushita Electric Industrial Co., Ltd.
- Shinichi Wakabayashi
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Fabricating method of micro lens
- Patent number 5,316,640
- Issue date May 31, 1994
- Matsushita Electric Industrial Co., Ltd.
- Shinichi Wakabayashi
- G02 - OPTICS
Information Patent Grant
Method of making a gallium nitride light-emitting diode
- Patent number 4,476,620
- Issue date Oct 16, 1984
- Matsushita Electric Industrial Co., Ltd.
- Yoshimasa Ohki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for making a GaN electroluminescent semiconductor device uti...
- Patent number 4,473,938
- Issue date Oct 2, 1984
- Matsushita Electric Industrial Co., Limited
- Hiroyuki Kobayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
GaN Electroluminescent semiconductor device and method for making t...
- Patent number 4,408,217
- Issue date Oct 4, 1983
- Matsushita Electric Industrial Company, Limited
- Hiroyuki Kobayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gallium nitride light-emitting element and method of manufacturing...
- Patent number 4,396,929
- Issue date Aug 2, 1983
- Matsushita Electric Industrial Company, Ltd.
- Yoshimasa Ohki
- H01 - BASIC ELECTRIC ELEMENTS

Yukio Toyoda

Person

Patents Grantslast 30 patents

Method of producing a laser device

Method of making an optical semiconductor device

Method of forming fine structure on compound semiconductor with inc...

Method for producing fine structure for electronic device

Fabricating method of micro lens

Method of making a gallium nitride light-emitting diode

Method for making a GaN electroluminescent semiconductor device uti...

GaN Electroluminescent semiconductor device and method for making t...

Gallium nitride light-emitting element and method of manufacturing...