Average Co-Inventor Count = 2.00
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. Junghans Uhren Gmbh (2 from 34 patents)
2. Seiko Epson Corporation (33,464 patents)
2 patents:
1. 7460188 - Solar-powered device comprising a solar cell arrangement and a liquid crystal display and method of making
2. 6987708 - Emergency call transmitter incorporated in a wristwatch