Average Co-Inventor Count = 1.33
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. Panasonic Electric Works Co., Ltd. (2 from 394 patents)
2. Panasonic Corporation (1 from 16,453 patents)
3. Panasonic Intellectual Property Management Co., Ltd. (1 from 13,307 patents)
4. Arkray, Inc. (1 from 547 patents)
5 patents:
1. D1106482 - Specimen analysis apparatus
2. D760498 - Facial cleansing apparatus
3. D687226 - Electric toothbrush with cap
4. D648482 - Electric shaver
5. D648485 - Electric shaver