Average Co-Inventor Count = 5.33
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. Fujinon Corporation (1 from 695 patents)
4. Nhk Engineering Services, Inc. (1 from 3 patents)
2 patents:
1. 8026971 - Visible and infrared light image-taking optical system
2. 5818420 - 3D object graphics display device, 3D object graphics display method,