Average Co-Inventor Count = 1.20
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. Koito Manufacturing Company, Ltd. (2 from 2,302 patents)
2. Jatco Transtechnology Ltd. (1 from 47 patents)
3 patents:
1. 7273303 - Headlamp for two-wheel vehicle
2. 6921187 - Vehicle lamp with indicative mark
3. 6474444 - Taper roller bearing lubricating structure