Average Co-Inventor Count = 1.82
ph-index = 9
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. (9 from 27,375 patents)
2. Panasonic Corporation (9 from 16,453 patents)
18 patents:
1. D669449 - Telephone handset
2. D668630 - Telephone handset
3. D657771 - Telephone base unit
4. D635118 - Telephone base unit
5. D623625 - Telephone handset
6. D618657 - Telephone handset
7. D618658 - Telephone handset
8. D590819 - Telephone handset
9. D584297 - Set of key buttons for a telephone handset
10. D579011 - Set of key buttons
11. D574355 - Telephone handset
12. D570837 - Server
13. D558749 - Telephone base unit
14. D511776 - Scanner
15. D356594 - Check printer and accounting machine