Average Co-Inventor Count = 3.30
ph-index = 8
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 (1 from 16,453 patents)
10 patents:
1. 7746323 - 5-directional key operation device
2. 7331724 - Camera-equipped portable device
3. 6795719 - Microphone assembly for a portable telephone with a foldable flap element
4. 6731959 - Portable telephone set with hinged lid
5. 6127933 - Portable communication terminal
6. 5426440 - Retractable antenna device having a rodlike antenna and a helix antenna
7. 5400160 - Display means for apparatus with transparent panel fixed to LCD panel
8. 5274486 - Device for holding liquid crystal display panel
9. 5261122 - Portable electronic equipment with selectively removable exchange panel
10. 4558396 - Display device for portable type electrical equipment