Average Co-Inventor Count = 5.83
ph-index = 1
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. Shibaura Mechatronics Corporation (3 from 174 patents)
2. Kabushiki Kaisha Toshiba (2 from 52,722 patents)
3. Kabushiki Kaisha Topcon (1 from 1,033 patents)
4. Shibaura Engineering Works Co., Ltd. (1 from 11 patents)
4 patents:
1. 10111313 - Plasma processing apparatus and plasma processing method
2. 9507251 - Method for manufacturing reflective mask and apparatus for manufacturing reflective mask
3. 8702901 - Method for manufacturing reflective mask and apparatus for manufacturing reflective mask
4. 5846886 - Metal film etching method