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.)
Kao Corp
JFE Engineering Corp
Original Assignee
Kao Corp
NKK Corp
Nippon Kokan 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 Kao Corp, NKK Corp, Nippon Kokan LtdfiledCriticalKao Corp
Priority to JP10363283ApriorityCriticalpatent/JPS59227991A/ja
Publication of JPS59227991ApublicationCriticalpatent/JPS59227991A/ja
Publication of JPH0252959B2publicationCriticalpatent/JPH0252959B2/ja
Keyboard arrangement to maximize one-handed typing speed and training for engineering and architectural computer assisted drawing and design or disabled typists
Keyboard arrangement to maximize one-handed typing speed and training for engineering and architectural computer assisted drawing and design or disabled typists