Average Co-Inventor Count = 3.20
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. Seiko Instruments Inc (1 from 2,899 patents)
2. Kabushiki Kaisha Daini Seikosha (1 from 349 patents)
2 patents:
1. 4973963 - Flat lattice for absorbing electromagnetic wave
2. 4692881 - Device for discriminating attitude of parts