Average Co-Inventor Count = 10.00
ph-index = 1
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. Matsushita Electric Industrial Co., Ltd. (1 from 27,375 patents)
2. Sharp Kabushiki Kaisha Corporation (1 from 25,560 patents)
3. Mitsubishi Denki Kabushiki Kaisha (1 from 21,351 patents)
4. Sanyo Electric Co., Ltd. (1 from 8,782 patents)
1 patent:
1. 5301313 - Manipulating data in a relational data base having operational