Average Co-Inventor Count = 3.75
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. Shimadzu Corporation (2 from 3,501 patents)
2. Nippon Seiki Co., Ltd. (1 from 258 patents)
2 patents:
1. 6504518 - Head-up display
2. 5905477 - Head-up display having installation mechanism