Average Co-Inventor Count = 4.67
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 (3 from 52,751 patents)
2. Tokyo Electron Limited (1 from 10,341 patents)
3. Tokyo Electron Tohoku Limited (1 from 29 patents)
3 patents:
1. 8759971 - Semiconductor apparatus
2. 8704367 - Semiconductor device and manufacturing method of semiconductor device
3. 5383984 - Plasma processing apparatus etching tunnel-type