Average Co-Inventor Count = 2.40
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. Panasonic Corporation (3 from 16,453 patents)
2. Mitsui Chemicals, Inc. (2 from 1,787 patents)
5 patents:
1. 9541774 - Control device for variable focus lenses, control method for variable focus lenses, and electronic glasses
2. 8979262 - Semi-finished blank for varifocal lens, varifocal lens, and varifocal eyeglasses
3. 8517534 - Semi-finished blank for varifocal lens, varifocal lens made from this blank, and varifocal eyeglasses featuring this lens
4. 7595123 - Fuel cell system
5. 7514168 - Gas-liquid separator and fuel cell