Average Co-Inventor Count = 2.00
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. Tomoe Engineering Co., Ltd. (2 from 20 patents)
2. Automatic System Research Co., Ltd. (1 from 1 patent)
2 patents:
1. 6475131 - Method of cleaning rotary drum of horizontal drum-type centrifugal separator using a solid cleaning medium
2. 5459568 - Concentration measuring apparatus