Average Co-Inventor Count = 4.00
ph-index = 1
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. Nippon Steel Corporation (2 from 3,554 patents)
2. Kabushiki Kaisha Sankyo Seiki Seisakusho (1 from 307 patents)
3 patents:
1. 6160564 - Color electrostatic recorder with adjustable pressure on a recording
2. 6029035 - Electrostatic recorder
3. 5530690 - Multi-needle recording head and method of manufacturing the same