Average Co-Inventor Count = 4.70
ph-index = 12
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. Konishiroku Photo Industry Co., Ltd. (13 from 1,252 patents)
2. Konica Corporation (12 from 3,106 patents)
3. Kao Corporation (1 from 3,603 patents)
25 patents:
1. 5486898 - Color image forming apparatus with photoreceptor protector
2. 5445910 - Developer for developing electrostatic image comprising a toner
3. 5441839 - Negatively chargeable developer with carrier containing magnesium oxide
4. 5272038 - Electrostatic image developing resin-coated carrier and method for
5. 5225304 - Positive-electrification toner
6. 5116713 - Toner for developing latent electrostatic image
7. 5104762 - Developer for electrophotography
8. 5093220 - Electrostatic latent image developer
9. 5047305 - Electrostatic-image developing polyester toner with release agent
10. 5026620 - Method for forming electrophotographic images
11. 5021317 - Electrostatic latent image developer with toner particles surface
12. 4960664 - Developer composition for developing electrostatic image and toner image
13. 4943507 - Toner for developing electrostatic latent image and method for
14. 4917983 - Toner for developing an electrostatic latent image comprising linear
15. 4877704 - Process for developing latent electrostatic image using toner containing