Average Co-Inventor Count = 4.33
ph-index = 7
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 28,544 patents)
2. Toyota Jidosha Kabushiki Kaisha (1 from 36,499 patents)
3. Toyota Jidosha Kogyo Kabushiki Kaisha (1 from 1,838 patents)
4. Tokai Rubber Industries, Ltd. (1 from 720 patents)
5. Ricoh Elemex Corporation (1 from 34 patents)
9 patents:
1. 5651537 - Stacked sheet clamping device for a stapler
2. 5524873 - Finisher for image forming apparatus
3. 5447298 - Movable finisher device with multiple stack gripping fingers
4. 5263697 - Finisher for an image forming apparatus
5. 5129479 - Suspension system for an engine and transmission assembly mounted
6. 5121911 - Finisher for an image forming apparatus
7. 5083760 - Finisher for an image forming apparatus
8. 5056774 - Finisher for an image forming apparatus
9. 4142701 - Support devices for automobile engine