Average Co-Inventor Count = 1.74
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. Canon Kabushiki Kaisha (15 from 90,809 patents)
2. Nec Corporation (9 from 35,756 patents)
3. Pentax Corporation (3 from 1,056 patents)
4. Sony Group Corporation (1 from 3,492 patents)
5. Subaru Corporation (1 from 2,091 patents)
6. Jfe Steel Corporation (1 from 1,801 patents)
7. Nhk Spring Co., Ltd. (1 from 1,233 patents)
8. Nec Energy Devices, Ltd. (1 from 92 patents)
30 patents:
1. 12449629 - Lens barrel, control method, and imaging device
2. 12386290 - Fixing device including an endless belt member and a steering roller providing lubrication to the endless belt member
3. 12203602 - Hydrogen supply system
4. 12104680 - Drive transmission device, fixing device, and image forming apparatus
5. 11740573 - Fixing apparatus having stay members for maintaining alignment of rotatable members thereof
6. 11675297 - Fusing apparatus
7. 11611107 - Lithium ion secondary battery
8. 11581581 - Lithium ion secondary battery
9. 11489202 - Electrolyte solution for lithium ion secondary battery and lithium ion secondary battery using same
10. 11474464 - Fixing device and image forming apparatus, with shut off of drive transmission with opening operation of cover
11. 11387442 - Negative electrode for lithium ion secondary battery and lithium ion secondary battery comprising the same
12. 11329321 - Lithium ion secondary battery
13. 10923770 - Lithium ion secondary battery
14. 10749215 - Electrolyte solution for secondary battery and secondary battery
15. 10732568 - Image heating apparatus