Average Co-Inventor Count = 2.67
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. Panasonic Intellectual Property Management Co., Ltd. (4 from 13,307 patents)
2. Panasonic Corporation (16,453 patents)
3. Panasonic Electric Works Co., Ltd. (394 patents)
4 patents:
1. 12343888 - Attachment for electric hair-cutting device
2. 10434669 - Electric shaver
3. 10220530 - Electric shaver
4. 9833914 - Hair clipper