Average Co-Inventor Count = 5.39
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. 5976269 - Printing mask cleaning apparatus and method
2. 5740729 - Printing apparatus and method for inspecting printed materials
3. 5735203 - Apparatus for printing solder paste to a printed circuit board and
4. 5693559 - Method for printing solder paste