Average Co-Inventor Count = 1.68
ph-index = 18
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. Jvc Kenwood Corporation (39 from 1,356 patents)
2. Victor Company of Japan, Limited (5 from 2,887 patents)
3. Sumitomo Electric Industries, Limited (3 from 10,239 patents)
4. Sumitomo Electric Device Innovations, Inc. (2 from 335 patents)
5. Hitachi, Ltd. (1 from 42,485 patents)
48 patents:
1. D1100814 - Portable power supply
2. 12429657 - Optical device and manufacturing method for optical device
3. D1090428 - Battery charger for earphones
4. 12296491 - Remote controlled device, image display device, and video display control method
5. D1030653 - Battery charger for earphones
6. 12005570 - Image display device and image display method
7. D1026811 - Battery charger for earphones
8. D1025008 - Headphone with microphone
9. 11901946 - Optical transmitter
10. D991913 - Earphone
11. D971874 - Headphone
12. D959368 - Battery charger for earphone
13. D959411 - Earphone
14. D954026 - Earphone
15. D949786 - Battery charger for earphone