Average Co-Inventor Count = 2.71
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. (4 from 27,375 patents)
4 patents:
1. 5853108 - Parts feed apparatus and parts feed method
2. 4628594 - Electronic circuit element insertion apparatus
3. 4275425 - System for automatically transferring information media
4. 4253291 - Electronic components assembly apparatus and method for making