Patent assignee · JP · COMPANY

Optrom, Inc.

8Patents
0Active
8Granted
25Portfolio score

Filing activity: Dec 30, 1997 → Sep 21, 2009

Most-cited patents

PatentTitleAreaCited byStatus
USD611172S1 Lamp tube General 71 Expired
US6535465B1 Integrated-disk drive having an intelligent electronic circuit mounted as part of the disk Physics 27 Expired
US6295564A Storage medium having electronic circuit and computer system having the storage medium Physics 16 Expired
US6510125B1 Storage medium having electronic circuit, apparatus communicating information with the electronic circuit, and system including them Physics 9 Expired
US6496883B2 Storage medium having electronic circuit and computer system having the storage medium Physics 7 Expired
US6287661A Label for optical disks and optical disk adhered with the label Emerging Cross-Sectional Technologies 5 Expired
US6393400B1 Intelligent optical disk with speech synthesizing capabilities Physics 4 Expired
US6938121B2 Disk storage system having an electronic circuit mounted on the surface of the disk and control method thereof Physics 3 Expired

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