Average Co-Inventor Count = 4.44
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. Yamaha Corporation (3 from 5,452 patents)
2. Richstone Limited (1 from 4 patents)
3 patents:
1. 7111466 - Microreactor and substance production method therewith
2. 6942399 - Optical fiber coupler reinforcing member and optical fiber coupler
3. 5493218 - Magnetic detecting apparatus with a variable voltage power supply