Average Co-Inventor Count = 2.40
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. Sony Group Corporation (2 from 3,475 patents)
2. Sumitomo Osaka Cement Co., Ltd. (1 from 479 patents)
3. Naitonal Institute of Information and Communications Technology (1 from 1 patent)
3 patents:
1. 12504656 - Optical waveguide element, optical waveguide device, and optical transmission apparatus
2. 12412299 - Information processing device, information processing method, and program
3. 11989910 - Moving body and position estimation method