Average Co-Inventor Count = 1.33
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. Murakami Corporation (1 from 190 patents)
2. Murakami Kaimeido Co., Ltd. (1 from 36 patents)
2 patents:
1. 5640274 - Electrocromic rearview mirror for an automobile improved in a water
2. 5634709 - Inner mirror of a vehicle having a display device