-
-
-
Method for molding optical elements
-
Patent number 5,290,488
-
Issue date Mar 1, 1994
-
Canon Kabushiki Kaisha
-
Takashi Arai
-
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
-
Method of manufacturing optical element
-
Patent number 5,269,978
-
Issue date Dec 14, 1993
-
Canon Kabushiki Kaisha
-
Sachio Umetsu
-
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
-
Method of molding optical elements
-
Patent number 5,264,160
-
Issue date Nov 23, 1993
-
Canon Kabushiki Kaisha
-
Takashi Arai
-
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
-
Variable mold apparatus
-
Patent number 5,192,560
-
Issue date Mar 9, 1993
-
Canon Kabushiki Kaisha
-
Sachio Umetsu
-
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
-
-
Article supplier
-
Patent number 5,190,434
-
Issue date Mar 2, 1993
-
Canon Kabushiki Kaisha
-
Toshihiko Miura
-
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
-
-
-
Apparatus for supplying articles
-
Patent number 5,090,113
-
Issue date Feb 25, 1992
-
Canon Kabushiki Kaisha
-
Sachio Umetsu
-
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR