Average Co-Inventor Count = 3.00
ph-index = 1
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Sony Magnescale Inc. (3 from 40 patents)
2. Kabushikikaisha Kenwood (1 from 301 patents)
4 patents:
1. 6456582 - Apparatus for chucking a cartridge having a position restricting mechanism
2. 5273196 - Tape transport apparatus
3. 5095390 - Apparatus for storing and feeding endless tape and recorded tape
4. 4868688 - Elongated strip storage apparatus and recorder tape duplicator system