Average Co-Inventor Count = 2.16
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. Casio Hitachi Mobile Communications Co., Ltd. (3 from 97 patents)
2. Olympus Imaging Corporation (2 from 727 patents)
3. Casio Keisanki Kabushiki Kaisha (2 from 434 patents)
4. Nec Casio Mobile Communications, Ltd. (2 from 63 patents)
9 patents:
1. D962333 - Electronic keyboard musical instrument
2. D654462 - Portable wireless telephone
3. D634299 - Earphone with microphone
4. D626107 - Mobile telephone
5. D609684 - Mobile telephone
6. D589481 - Mobile telephone
7. D576995 - Mobile telephone
8. D553658 - Digital camera
9. D533862 - Voice recording/reproducing apparatus