Average Co-Inventor Count = 3.24
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. Nippon Seiki Co., Ltd. (4 from 258 patents)
2. Shimadzu Corporation (1 from 3,501 patents)
4 patents:
1. 9519143 - Headup display apparatus for vehicle
2. 9188781 - Combiner storage device, head-up display device
3. 6411216 - Display device with indicators having increased brightness
4. 5905477 - Head-up display having installation mechanism