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.)
Takuma Co Ltd
Takuma Research and Development Co Ltd
Original Assignee
Takuma Co Ltd
Takuma Research and Development Co Ltd
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 Takuma Co Ltd, Takuma Research and Development Co LtdfiledCriticalTakuma Co Ltd
Priority to JP1029043ApriorityCriticalpatent/JPH02208009A/ja
Priority to KR1019890014226Aprioritypatent/KR930001712B1/ko
Priority to US07/430,329prioritypatent/US5056457A/en
Priority to EP89420444Aprioritypatent/EP0369907B1/fr
Priority to DE68915401Tprioritypatent/DE68915401T2/de
Publication of JPH02208009ApublicationCriticalpatent/JPH02208009A/ja
Priority to US07/738,953prioritypatent/US5137756A/en
Publication of JPH0583046B2publicationCriticalpatent/JPH0583046B2/ja