Average Co-Inventor Count = 3.16
ph-index = 2
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. Matsushita Electric Industrial Co., Ltd. (8 from 27,375 patents)
8 patents:
1. 7248430 - Magnetic recording and reproduction apparatus
2. 7209315 - Magnetic recording and reproduction apparatus
3. 7209316 - Magnetic recording/reproducing device including a tape pull-out member having a projection for contacting a ramp surface
4. 6286775 - Magnetic recording apparatus
5. 6275351 - Magnetic recording/reproduction apparatus having a mechanism for moving a sub-chassis relative to a main chassis
6. 6256167 - Magnetic recording/reproduction apparatus having a mechanism for pulling a magnetic tape out of a cassette
7. 5867467 - Package relay terminal assembly
8. 5768048 - Tape cassette cover opening and closing device