Average Co-Inventor Count = 2.00
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. Norris Communications Corp. (4 from 4 patents)
2. Comp General Corporation (1 from 1 patent)
5 patents:
1. 5842170 - Method for editing in hand held recorder
2. 5839108 - Flash memory file system in a handheld record and playback device
3. 5787445 - Operating system including improved file management for use in devices
4. 5742737 - Method for recording voice messages on flash memory in a hand held
5. 5491774 - Handheld record and playback device with flash memory