Average Co-Inventor Count = 5.46
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. Kabushiki Kaisha Toshiba (1 from 52,711 patents)
2. Tokyo Shibaura Denki Kabushiki Kaisha (1 from 2,916 patents)
3. Toshiba Material Engineering Corporation (1 from 1 patent)
2 patents:
1. 5087299 - Vibration-proof tungsten wire
2. 4482837 - Rotary anode for an X-ray tube and a method for manufacturing the same