Average Co-Inventor Count = 2.40
ph-index = 4
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. (4 from 27,375 patents)
4 patents:
1. 5353017 - Call selective receiver built in with vibrator
2. 5274486 - Device for holding liquid crystal display panel
3. 5261122 - Portable electronic equipment with selectively removable exchange panel
4. 5239446 - Watertight casing for electronic apparatus and assembling method therefor