Patent assignee · JP · COMPANY

HTIACHI, LTD.

1Patents
0Active
1Granted
23Portfolio score

Filing activity: Dec 8, 1998 → Dec 8, 1998

Most-cited patents

PatentTitleAreaCited byStatus
US6256277A Information recording apparatus having controlled recording energy generation circuit Physics 34 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.