Average Co-Inventor Count = 1.74
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. Phonemate, Inc. (5 from 19 patents)
2. Usac Electronics Industry Co., Ltd. (3 from 3 patents)
3. Gte Communication Systems Corporation (1 from 200 patents)
4. Gte Business Communication Systems Inc. (1 from 20 patents)
5. Casio Phonemate, Inc. (1 from 18 patents)
11 patents:
1. D404732 - Telephone with display
2. D372717 - Telephone answering device base unit
3. D356087 - Combined telephone, telephone handset and telephone answering device
4. D316409 - Cordless handset telephone
5. D316024 - All digital telephone answering device
6. D315730 - Cordless telephone answering set
7. D288563 - Wall telephone base
8. D282927 - Telephone instrument
9. D271019 - Computer display console
10. D270639 - Computer keyboard
11. D269090 - Floppy disc console