Average Co-Inventor Count = 3.45
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. (1 from 28,544 patents)
2. Mitsubishi Denki Kabushiki Kaisha (1 from 21,351 patents)
3. Mitsubishi Heavy Industries Limited (1 from 4,618 patents)
4. Hitachi High-tech Corporation (1 from 1,116 patents)
5. Ricoh Printing Systems, Ltd. (1 from 129 patents)
5 patents:
1. 12332258 - Dispensing device and method
2. 11835226 - Method of disassembling steam generator
3. 7945198 - Fixing device and image forming apparatus comprising same
4. 6907220 - Cooling device for cooling recording sheet
5. 6128576 - Obstruction detecting apparatus