Average Co-Inventor Count = 5.89
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. (3 from 27,375 patents)
3 patents:
1. 6270270 - Printing apparatus
2. 6196741 - Printer
3. 6102596 - Printing device with cutter