Average Co-Inventor Count = 3.33
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. (3 from 27,375 patents)
2. Panasonic Intellectual Property Management Co., Ltd. (1 from 13,281 patents)
4 patents:
1. 9134500 - Lens barrel and imaging device
2. 6252683 - Video printer
3. 5839838 - Image printer
4. 5584587 - Ribbon cassette and video printer for use therewith