Average Co-Inventor Count = 2.89
ph-index = 14
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. (63 from 28,438 patents)
2. Kabushiki Kaisha Toshiba (12 from 52,582 patents)
3. Fujitsu Corporation (10 from 39,184 patents)
4. Toshiba Electronic Devices & Storage Corporation (7 from 1,449 patents)
5. Fuji Xerox Co., Ltd. (6 from 11,665 patents)
6. Sony Corporation (5 from 58,122 patents)
7. Sanoh Kogyo Kabushiki Kaisha (2 from 34 patents)
8. Fuji Furukawa Engineering & Construction Co., Ltd (2 from 2 patents)
9. Other (1 from 832,347 patents)
10. Honda Giken Kogyo Kabushiki Kaisha (1 from 10,092 patents)
11. Sony Semiconductor Solutions Corporation (1 from 2,769 patents)
12. Nisca Corporation (1 from 489 patents)
13. Honda Giken Kogyo K.k. (1 from 182 patents)
100 patents:
1. 12429809 - Cleaning blade, method of manufacturing the same, process cartridge, and image forming apparatus
2. 12416894 - Image forming apparatus
3. 12153372 - Cleaning blade, lubricant leveling blade, process cartridge, and image forming apparatus
4. 12111600 - Powder conveying device and image forming apparatus incorporating same
5. 11973458 - Controller of stepping motor, control method of stepping motor, and stepping motor drive controlling system
6. 11923661 - Surface emitting laser and method of manufacturing the same
7. 11789385 - Transfer bias and pressure in an image forming apparatus
8. 11527971 - Driving apparatus and driving method of DC brush motor
9. 11474445 - Cleaning device for cleaning a discharge wire, charger, and image forming apparatus
10. 11387753 - Semiconductor integrated circuit, semiconductor integrated circuit device, and motor-drive control system
11. 11314185 - Toner container having protrusions projecting from opposite sides of the toner container
12. 11307515 - Developing device with a developer regulator and a stopper
13. 11211884 - Controller of stepping motor, control method of stepping motor, and stepping motor drive controlling system
14. 11012013 - Control device of motor, control system, and control method
15. 10976686 - Toner container having protrusions projecting from opposite sides of the toner container