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. Shima Seiki Mfg., Ltd. (2 from 171 patents)
2 patents:
1. 5289749 - Apparatus for detecting abnormal condition of cuttable objective
2. 5246088 - Automatic lubricating device for a cutting head of a cutting machine