Average Co-Inventor Count = 3.43
ph-index = 2
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. Shinko Electric Industries Co., Ltd. (2 from 1,704 patents)
2. Other (1 from 833,002 patents)
3. Sony Corporation (1 from 58,132 patents)
4. Kabushiki Kaisha Toshiba (1 from 52,789 patents)
5. Hitachi, Ltd. (1 from 42,535 patents)
6. Fujitsu Corporation (1 from 39,250 patents)
7. Nec Corporation (1 from 35,793 patents)
8. Matsushita Electric Industrial Co., Ltd. (1 from 27,375 patents)
9. Sharp Kabushiki Kaisha Corporation (1 from 25,621 patents)
10. Mitsubishi Denki Kabushiki Kaisha (1 from 21,351 patents)
11. Sanyo Electric Co., Ltd. (1 from 8,782 patents)
12. Rohm Co., Ltd. (1 from 6,020 patents)
13. Oki Electric Industry Co., Ltd. (1 from 4,980 patents)
2 patents:
1. 7445965 - Method of manufacturing radiating plate and semiconductor apparatus using the same
2. 7100279 - Method of mounting an electronic part