Average Co-Inventor Count = 7.00
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 (2 from 52,711 patents)
2. Ebara Corporation (2 from 2,508 patents)
2 patents:
1. 5656542 - Method for manufacturing wiring in groove
2. 5500559 - Semiconductor device and method for manufacturing the same