Average Co-Inventor Count = 3.00
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. Mitsubishi Paper Mills Limited (1 from 622 patents)
2. Asec Co., Ltd. (1 from 1 patent)
2 patents:
1. 8978553 - Heat-sensitive lithographic printing plates
2. 5690608 - Ultrasonic apparatus for health and beauty