Average Co-Inventor Count = 2.57
ph-index = 3
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. Kubota Corporation (1 from 2,667 patents)
2. Dainippon Screen Mfg. Co., Ltd. (1 from 1,306 patents)
3. Nippon Densan Corporation (1 from 51 patents)
3 patents:
1. 6273104 - Method of and apparatus for processing substrate
2. 5307691 - Torque transducer
3. 5255567 - Torque transducer