Average Co-Inventor Count = 1.54
ph-index = 6
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. Mitutoyo Corporation (6 from 1,622 patents)
2. Kabushikikaisha Piste Snow Industries (4 from 8 patents)
10 patents:
1. 11175123 - Control method of surface characteristic measuring apparatus
2. 9091521 - Surface texture measuring apparatus
3. 7363181 - Straightness correcting method for surface texture measuring instrument, and surface texture measuring instrument
4. 6745616 - Surface texture measuring machine, leveling device for surface texture measuring machine and orientation-adjusting method of workpiece of surface texture measuring machine
5. 6671973 - Surface texture measuring instrument and a method of adjusting an attitude of a work for the same
6. 6508717 - Skiing facilities capable of changing shape of surface of ski slope and method for changing shape of surface of ski slope of skiing facilities
7. 6488590 - Indoor skiing ground facilities having lighting fixtures
8. 6466884 - Surface texture measuring machine and method of correcting a measured value for the machine
9. 6318110 - Artificial snow system with air roof
10. 6295824 - Snow producing system in which meltwater is reused