Average Co-Inventor Count = 6.71
ph-index = 21
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. (222 from 28,438 patents)
2. Ricoh Corporation (1 from 233 patents)
3. Ricoii Company, Limited (1 from 1 patent)
224 patents:
1. 12422766 - Fixing device and image forming apparatus incorporating same
2. 12393141 - Fixing device and image forming apparatus
3. 12353150 - Fixing device and image forming apparatus
4. 12197150 - Fixing device and image forming apparatus incorporating the same
5. 12197151 - Heating device, fixing device, and image forming apparatus
6. 12197155 - Heating device, fixing device, and image forming apparatus with heat shield including first portion and second portion
7. 12135517 - Heating device, nip forming device, and image forming apparatus
8. 12124194 - Heating device, fixing device, and image forming apparatus
9. 12124197 - Heating device, fixing device, and image forming apparatus including lubricant and reflector
10. 12117768 - Image forming apparatus including a filter for collect foreign substances in air sucked into at least one intake
11. 12072651 - Heating device, fixing device, and image forming apparatus
12. 12072666 - Sheet conveying device, fixing device, and image forming apparatus
13. 12013652 - Heating device, fixing device, and image forming apparatus including a rotator holder and reflector
14. 11959039 - Heating device configured to limit a temperature rise of a lubricant, fixing device, and image forming apparatus
15. 11803143 - Nip formation pad, heating device, fixing device, and image forming apparatus