Average Co-Inventor Count = 3.20
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. Nippon Hoso' Kyokai (2 from 374 patents)
2. Matsushita Electric Industrial Co., Ltd. (1 from 27,375 patents)
3. Nhk Engineering Services, Inc. (1 from 3 patents)
2 patents:
1. 5818420 - 3D object graphics display device, 3D object graphics display method,
2. 5333213 - Method and apparatus for high speed dynamic image region extraction