Average Co-Inventor Count = 2.65
ph-index = 10
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 Corporation (12 from 16,453 patents)
2. Matsushita Electric Industrial Co., Ltd. (6 from 27,375 patents)
3. Panasonic Intellectual Property Management Co., Ltd. (3 from 13,307 patents)
4. Asahi Kogaku Kogyo Kabushiki Kaisha (3 from 3,132 patents)
24 patents:
1. D798849 - Telephone handset
2. D754091 - Telephone handset with base unit
3. D740778 - Telephone base unit
4. D718270 - Telephone handset
5. D678855 - Telephone base unit
6. D678238 - Telephone base unit
7. D669878 - Telephone handset
8. D624898 - Telephone base unit
9. D623625 - Telephone handset
10. D618658 - Telephone handset
11. D617303 - Telephone base unit
12. D617301 - Telephone base unit
13. D594450 - Telephone handset
14. D589502 - Telephone handset
15. D584297 - Set of key buttons for a telephone handset