Average Co-Inventor Count = 4.35
ph-index = 28
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. Canon Kabushiki Kaisha (87 from 90,753 patents)
2. Kabushiki Kaisha Toshiba (7 from 52,751 patents)
3. Hitachi, Ltd. (3 from 42,508 patents)
4. Hitachi Automotive Systems Steering, Ltd. (2 from 50 patents)
5. Other (1 from 832,880 patents)
6. Digital Equipment Corporation (1 from 2,297 patents)
7. Ihi Corporation (1 from 1,142 patents)
8. Nippon Oil Company (1 from 690 patents)
102 patents:
1. 9944809 - Ink for ink-jet recording, ink cartridge, and ink-jet recording process
2. 9871365 - Protective relay system and protective relay device
3. 9603940 - Metal salen complex derivative and process for production thereof
4. 8939570 - Ink jet ink, ink cartridge, ink jet recording method and polymer particle
5. 8924083 - Power steering apparatus, and controller for power steering apparatus
6. 8918880 - Plant security managing device, managing method and managing program
7. 8868297 - Power steering system and control apparatus for power steering system
8. 8845085 - Image recording method, and set of ink jet ink and liquid composition
9. 8737900 - Cleaning member
10. 7014521 - Display panel having a color filter and a protective layer of heat melted material and method of manufacturing the display panel
11. 6686104 - Color filter, method for manufacturing it, and liquid crystal panel
12. 6604821 - Method and apparatus for manufacturing color filter, display device using the color filter, and electronic equipment comprising the display device
13. 6394590 - Replaceable liquid container
14. 6390578 - Ink container, ink and ink jet recording apparatus using ink container
15. 6331673 - Solar cell module having a surface side covering material with a specific nonwoven glass fiber member