Average Co-Inventor Count = 2.40
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. Toshiba Electron Tubes & Devices Co., Ltd. (7 from 80 patents)
2. Kabushiki Kaisha Toshiba (6 from 52,722 patents)
3. Canon Electron Tubes & Devices Co., Ltd. (1 from 30 patents)
8 patents:
1. 10636613 - X-ray tube, X-ray tube device, and method of manufacturing X-ray tube device
2. 9824847 - X-ray tube
3. D755386 - X-ray tube for medical device
4. D755387 - X-ray tube for medical device
5. D755388 - X-ray tube for medical device
6. D755389 - X-ray tube for medical device
7. D755390 - X-ray tube for medical device
8. D755391 - X-ray tube for medical device