Average Co-Inventor Count = 1.88
ph-index = 4
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. Smc Kabushiki Kaisha (5 from 565 patents)
2. Matsushita Electric Industrial Co., Ltd. (2 from 27,375 patents)
5 patents:
1. D461733 - Fluid pressure cylinder
2. 5839348 - Moving cylinder apparatus
3. 5669283 - Cylinder apparatus
4. D382631 - Fluid pressure cylinder for a conveyor belt
5. D382331 - Fluid pressure cylinder for a conveyor belt