Average Co-Inventor Count = 1.33
ph-index = 3
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. (3 from 27,375 patents)
3 patents:
1. 4714957 - Apparatus and method for making a stamp
2. 4524507 - Laminated core producing apparatus
3. 4218817 - Component mounting apparatus