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.)
Coorstek KK
Toshiba Corp
Shibaura Machine Co Ltd
Original Assignee
Toshiba Corp
Toshiba Machine Co Ltd
Toshiba Ceramics 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 Toshiba Corp, Toshiba Machine Co Ltd, Toshiba Ceramics Co LtdfiledCriticalToshiba Corp
Priority to JP59217242ApriorityCriticalpatent/JPS6195876A/ja
Publication of JPS6195876ApublicationCriticalpatent/JPS6195876A/ja
Publication of JPH0426983B2publicationCriticalpatent/JPH0426983B2/ja