Average Co-Inventor Count = 3.69
ph-index = 3
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. Yokogawa Electric Corporation (3 from 1,328 patents)
2. Yokogawa Hokushin Electric Corp. (1 from 54 patents)
4 patents:
1. 6322037 - Moving mirror support device for photo-interferometer
2. 5847867 - Confocal microscope
3. 5717519 - Confocal microscope
4. 4495818 - Cylindrical vibrator type pressure transducer