Average Co-Inventor Count = 2.91
ph-index = 7
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. Sharp Corporation (4 from 847 patents)
2. Panasonic Corporation (3 from 16,453 patents)
3. Panasonic Intellectual Property Management Co., Ltd. (3 from 13,319 patents)
4. Matsushita Electric Industrial Co., Ltd. (2 from 27,375 patents)
5. Sumitomo Metal Industries, Inc. (2 from 929 patents)
14 patents:
1. 12142725 - Battery
2. 12051816 - Laminated battery
3. 10903500 - Battery and cell stack
4. 8157928 - Non-oriented electrical steel sheet and production process thereof
5. 7931983 - Lithium ion secondary battery
6. 7922834 - Non-oriented electrical steel sheet and production process thereof
7. 7758998 - Lithium ion secondary battery
8. 7754377 - Lithium ion secondary battery
9. 7396612 - Lithium ion secondary battery
10. D319252 - Electronic calculator with solar cell
11. D317618 - Electronic calculator
12. D308424 - Desk lamp
13. D308346 - Remote controller for scale
14. 4060780 - Signal attenuator