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.)
Mitsubishi Chemical Corp
Sony Corp
Original Assignee
Kasei Optonix Ltd
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 Kasei Optonix Ltd, Sony CorpfiledCriticalKasei Optonix Ltd
Priority to JP16594885ApriorityCriticalpatent/JPS6227488A/ja
Publication of JPS6227488ApublicationCriticalpatent/JPS6227488A/ja
Publication of JPH0564677B2publicationCriticalpatent/JPH0564677B2/ja