Average Co-Inventor Count = 2.90
ph-index = 4
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. Toppan Printing Co., Ltd. (7 from 1,268 patents)
2. Toppan Inc. (2 from 115 patents)
3. Toppan Insatsu Kabushiki Kaisha (1 from 1 patent)
10 patents:
1. 11932026 - Head unit and printing unit
2. 11595545 - Printing system and printing control apparatus
3. 10493773 - Image producing device, transfer ribbon and image producing method
4. 10471736 - Method for providing thermal transfer image data, method for forming images, and image display device
5. 6714227 - Image forming apparatus and method, and transferring medium cassette
6. 6377291 - Image forming apparatus and method, and image-applied article
7. 6039480 - Method and apparatus for forming transfer images and transfer drum used
8. 5821976 - Image-forming apparatus
9. 5532724 - Image transfer device
10. 5326179 - Apparatus for producing an information recording card