Average Co-Inventor Count = 2.82
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. Nippon Seiki Co., Ltd. (4 from 258 patents)
4 patents:
1. 10712557 - Head-up display device
2. 10118489 - Head-up display device
3. 10029570 - Display apparatus
4. 9759914 - Headup display apparatus