Average Co-Inventor Count = 2.14
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. Kamakura Koki Co., Ltd. (4 from 13 patents)
2. Ai Systems, Ltd. (2 from 2 patents)
3. Fujinon Corporation (1 from 695 patents)
5 patents:
1. 10375322 - Optical observation device
2. 9529208 - Image stabilizer
3. 9417458 - Image stabilizing device and system for telescopic optical instruments
4. 9395551 - Optical image stabilizer
5. 6945929 - Imaging device assembly for electronic stereoscopic endoscope system