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. Matsushita Electric Industrial Co., Ltd. (2 from 27,375 patents)
2. Toyoda Gosei Co., Ltd. (2 from 3,083 patents)
2 patents:
1. 4843477 - Vehicle television receiver system
2. 4640340 - Heated or cooled steering wheel