Average Co-Inventor Count = 3.18
ph-index = 15
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. Hitachi, Ltd. (37 from 42,485 patents)
2. Nec Corporation (12 from 35,658 patents)
3. Nkk Corporation (6 from 614 patents)
4. Other (5 from 832,680 patents)
5. Tachi-s Co., Ltd. (5 from 576 patents)
6. Nec Electronics Corporation (4 from 2,467 patents)
7. Mitsubishi Chemical Industries Limited (3 from 614 patents)
8. Ngk Insulators, Inc. (2 from 4,916 patents)
9. Mitsubishi Heavy Industries Limited (2 from 4,618 patents)
10. Renesas Technology Corp. (2 from 3,781 patents)
11. Citizen Watch Company, Ltd. (2 from 2,002 patents)
12. Mitsubishi Hitachi Power Systems, Ltd. (2 from 651 patents)
13. Stanley Electric Co., Ltd (1 from 1,438 patents)
14. Japan Tobacco Inc. (1 from 1,037 patents)
15. Sumco Corporation (1 from 596 patents)
84 patents:
1. 12379041 - Steam valve
2. 11867088 - Turbine blade and turbine
3. 11203983 - Method of operating gas turbine and gas turbine
4. 10703232 - Vehicle seat
5. D887154 - Vehicle seat
6. 10556527 - Vehicle seat
7. 10369916 - Vehicular article-accommodating structure, arm rest, and vehicular seat
8. 10343566 - Vehicle seat
9. 9903044 - Silicon single crystal producing method
10. 9828859 - Gas turbine blade with inner and outer cooling holes
11. 9631498 - Gas turbine blade
12. 9407459 - Communication apparatus, communication system, and communication method to transmit and receive Ethernet frames
13. 8972988 - Remote virtual machine migration port management device and system
14. 7733859 - Apparatus and method for packet forwarding in layer 2 network
15. 7729699 - Switching center for mobile handover