Average Co-Inventor Count = 2.20
ph-index = 3
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. Fuji Xerox Co., Ltd. (1 from 11,665 patents)
3. Kabushiki Kaisha Tokyo Kikai Seisakusho (1 from 145 patents)
8 patents:
1. 9229417 - Image forming apparatus including waste toner container with guide unit
2. 9158266 - Waste toner conveying device and image forming apparatus using the same
3. 9152073 - Charging device, image forming apparatus, and charging unit
4. 8989626 - Image forming apparatus having a movement mechanism for reducing interference of an opening and closing member with a transfer body
5. 7683939 - Method of and unit for inputting an image, and computer product
6. 7286164 - Method of and unit for inputting an image, and computer product
7. 7055726 - Apparatus for modifying traveling position of paper web in paper web processing machine
8. 5682563 - Camera which displays information to a user corresponding to a message