Average Co-Inventor Count = 3.48
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. Tokyo Electron Limited (2 from 10,295 patents)
2. Hitachi Koki Co., Ltd. (2 from 1,267 patents)
4 patents:
1. 11742232 - Substrate processing method and substrate processing apparatus
2. 9146481 - Local exposure apparatus, local exposure method and storage medium
3. 6335612 - Battery charger and method of detecting a fully charged condition of a secondary battery
4. 6114839 - Battery charging apparatus with error detection