Membership
Tour
Register
Log in
Yoshimasa Ohki
Follow
Person
Sagamihara, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
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