Average Co-Inventor Count = 2.27
ph-index = 13
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. Alpine Electronics, Inc. (33 from 937 patents)
2. Hitachi, Ltd. (28 from 42,496 patents)
3. Alps Alpine Co., Ltd. (25 from 566 patents)
4. Dowa Metaltech Co., Ltd. (4 from 77 patents)
5. Yazaki Corporation (3 from 8,206 patents)
6. Astellas Pharma Gmbh (3 from 417 patents)
7. Hiroshima University (3 from 246 patents)
8. National Center for Global Health and Medicine (3 from 12 patents)
9. Hitachi Automotive Systems, Ltd. (2 from 2,028 patents)
10. Hitachi Astemo Ltd. (2 from 1,210 patents)
11. Hino Motors, Ltd. (1 from 243 patents)
12. Hitachi Communication Technologies, Ltd. (1 from 129 patents)
99 patents:
1. D1106013 - In-vehicle monitor
2. D1094334 - Audio speaker enclosure
3. 12391237 - Vehicle supervision device
4. D1073638 - Combined in-car speaker and amplifier
5. D1073639 - Combined in-car speaker and amplifier
6. D1068716 - In-vehicle amplifier
7. D1068729 - Speaker
8. D1068730 - Speaker
9. D1068731 - Speaker
10. D1063884 - In-vehicle amplifier
11. D1059326 - Speaker
12. D1057678 - Combined in-car speaker and amplifier
13. D1055026 - Speaker
14. D1052557 - Speaker
15. 12018095 - Cell penetrating peptide