Average Co-Inventor Count = 3.21
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. Dai Nippon Printing Co., Ltd. (5 from 3,202 patents)
2. Renesas Technology Corp. (1 from 3,781 patents)
5 patents:
1. 8543352 - System for measuring a shape, method for measuring a shape, and computer program product
2. 8038431 - Imprint mold
3. 7582393 - Transfer mask blank, transfer mask, and transfer method using the transfer mask
4. 7289657 - Method of inspecting photo-mask
5. 6841399 - Method of manufacturing mask and method of manufacturing semiconductor integrated circuit device