Average Co-Inventor Count = 1.20
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. Ricoh Company, Ltd. (6 from 28,577 patents)
2. Zeon Corporation (3 from 1,239 patents)
9 patents:
1. 10601011 - Composition for secondary battery porous membrane, porous membrane for secondary battery, and secondary battery
2. 10381624 - Composition for secondary battery porous membrane, porous membrane for secondary battery and secondary battery
3. 9203091 - Slurry for secondary battery negative electrodes, secondary battery negative electrode and manufacturing method thereof, and secondary battery
4. 8339638 - Image processing apparatus, image reading apparatus, and image processing system
5. 8189211 - Image processing system
6. 7525703 - Method, apparatus and computer product program for performing shading correction of image processing apparatus
7. 7508992 - Image-processing apparatus for compressing binary-format image data
8. 7369283 - Color image reading apparatus and color image reading method for eliminating or reducing moire
9. 7362418 - Duplicate apparatus