Average Co-Inventor Count = 1.68
ph-index = 8
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. Hoya Corporation (36 from 2,530 patents)
2. Ricoh Company, Ltd. (11 from 28,577 patents)
3. Clover Mfg. Co., Ltd. (11 from 137 patents)
4. Olympus Optical Company, Ltd. (2 from 5,729 patents)
5. Oki Data Corporation (2 from 1,875 patents)
6. Olympus Optical (1 from 13 patents)
63 patents:
1. 12326683 - Image forming apparatus and method to form an invisible image and a visible image in a multi-pass simplex manner
2. 11754959 - Image forming apparatus and method to form an invisible image and a visible image in a multi-pass simplex manner
3. 11689679 - Image forming apparatus
4. 11472205 - Conveying device, liquid discharge apparatus, image forming apparatus, and post-processing apparatus
5. 11065877 - Drying device and inkjet printer therewith
6. 10378144 - Handheld roller device for sewing
7. D830684 - Bobbin holder
8. D828010 - Handheld roller device for sewing
9. 9971269 - Discharging method for latent image bearer and image forming apparatus
10. 9828280 - Glass, optical glass, glass raw material for press molding, and optical element
11. D789785 - Packaging container for small articles
12. 9604872 - Glass and optical element production method
13. 9561980 - Optical glass, optical glass blank, glass material for press molding, optical element, and methods for producing them
14. 9550698 - Optical glass and use thereof
15. 9507293 - Image forming apparatus and image carrier unit