Average Co-Inventor Count = 1.91
ph-index = 4
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 (5 from 52,766 patents)
2. Toshiba Medical Systems Corporation (1 from 2,018 patents)
5 patents:
1. 7298824 - X-ray diagnostic apparatus
2. 7029177 - X-ray diagnosis apparatus
3. 6187032 - Measurement of intracardiac electrophysiological phenomena
4. 5482029 - Variable flexibility endoscope system
5. 5448988 - Endoscope