Average Co-Inventor Count = 3.60
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. Tamura Corporation (3 from 190 patents)
2. Mitsubishi Heavy Industries Limited (1 from 4,618 patents)
3. Japan Kanigen Co. Ltd. (1 from 3 patents)
4 patents:
1. 7947381 - Rotating machine and parts of the same
2. 7828466 - Light-emitting device
3. 7375609 - Multilayer laminated circuit board
4. 7375608 - Solid electrolytic capacitor and manufacturing method thereof