-
-
-
-
-
-
-
-
-
-
-
-
-
-
Diffractive optical device
-
Patent number 5,561,558
-
Issue date Oct 1, 1996
-
Matsushita Electric Industrial Co., Ltd.
-
Teruhiro Shiono
-
G02 - OPTICS
-
-
-
-
-
-
-
-
-
-
Optical device
-
Patent number 5,402,435
-
Issue date Mar 28, 1995
-
Matsushita Electric Industrial Co., Ltd.
-
Teruhiro Shiono
-
G02 - OPTICS
-
-
-
-
-
Diffractive optical lens
-
Patent number 5,138,495
-
Issue date Aug 11, 1992
-
Matsushita Electric Industrial Co., Ltd.
-
Teruhiro Shiono
-
G02 - OPTICS
-