Average Co-Inventor Count = 1.68
ph-index = 3
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 Corporation (4 from 58,132 patents)
2. Covidien LP (2 from 7,949 patents)
3. Kabushiki Kaisha Meidensha (1 from 246 patents)
7 patents:
1. 10071189 - Medical apparatus with lubricity and manufacturing method of same
2. 8475828 - Medical apparatus and method for producing same
3. 5689496 - Optical recording medium having spiral tracks formed with a turning
4. 5461597 - Mastering apparatus for producing compact disk and minidisk master disks
5. 4138638 - Apparatus for examining liquid quality
6. 4130848 - Cassette tape recording and/or reproducing apparatus
7. 4120005 - Mode selecting device for tape recording and/or reproducing apparatus