Average Co-Inventor Count = 4.21
ph-index = 4
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. (4 from 27,375 patents)
4 patents:
1. 7369041 - Vehicle surrounding display device
2. 5127238 - Automobile air conditioner
3. 4958504 - Air conditioning apparatus for use in automobile
4. 4898003 - Automobile air conditioner