Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
OBARA OPTICAL GLASS
Ohara Inc
Sony Corp
Original Assignee
OBARA OPTICAL GLASS
Ohara Inc
Sony Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by OBARA OPTICAL GLASS, Ohara Inc, Sony CorpfiledCriticalOBARA OPTICAL GLASS
Priority to JP53049622ApriorityCriticalpatent/JPS602744B2/ja
Publication of JPS54141559ApublicationCriticalpatent/JPS54141559A/ja
Publication of JPS602744B2publicationCriticalpatent/JPS602744B2/ja