Average Co-Inventor Count = 4.11
ph-index = 5
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 (3 from 16,453 patents)
3. Panasonic Intellectual Property Corporation of America (1 from 3,760 patents)
13 patents:
1. 10406931 - Information output method, information presentation device, and information output system
2. 8134840 - Circuit board and mobile electronic apparatus
3. 8106307 - Substrate structure and electronic apparatus
4. 7746323 - 5-directional key operation device
5. 7376447 - Mobile telephone
6. 7224946 - Flip electronic equipment
7. 7103396 - Portable telephone apparatus and control method thereof
8. 6807275 - Folding portable telephone apparatus
9. 6795719 - Microphone assembly for a portable telephone with a foldable flap element
10. 6731959 - Portable telephone set with hinged lid
11. 6728558 - Portable telephone apparatus and control method thereof
12. 6567650 - Portable terminal device
13. 6127933 - Portable communication terminal