Average Co-Inventor Count = 1.85
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. (4 from 27,375 patents)
4 patents:
1. D319377 - Stapler
2. D294412 - Rechargeable vacuum cleaner
3. D289930 - Flashlight
4. D281348 - Electrically operated fishline tier