Average Co-Inventor Count = 4.24
ph-index = 3
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. Dai Nippon Printing Co., Ltd. (4 from 3,207 patents)
4 patents:
1. 5810396 - Abstract pattern plate-making system and printed matter
2. 5792545 - Decorative paper/embossing plate in which uneven structure of vessel
3. 5734741 - Platemaking process and system for printing abstract patterns on
4. 5566283 - Computer graphic image storage, conversion and generating apparatus