Average Co-Inventor Count = 3.43
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. Nec Corporation (2 from 35,670 patents)
2. Honda Giken Kogyo Kabushiki Kaisha (1 from 10,092 patents)
3. Nippon Sanso Corporation (1 from 182 patents)
4 patents:
1. 6613456 - Organic electroluminescent device
2. 6322908 - Organic electroluminescent device
3. 5961041 - Method and apparatus for making carbon dioxide snow
4. 4535547 - Mount for an earth magnetism sensor for use in an automotive vehicle