Kanao Kayamoto
15Patents
5h-index
11Co-inventors
59Inventor score
Filing activity: Sep 3, 1992 → Feb 22, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5595850A | Ferrite carrier for electrophotographic developer and developer containing the carrier | Physics | 26 | Expired |
| US5466552A | Ferrite carrier for electrophotographic developer and developer containing the carrier | Physics | 16 | Expired |
| US5419994A | Carrier for electrophotographic developer, process for preparing the same and developer prepared by using said carrier | Physics | 11 | Expired |
| US6235443A | Carrier for electrophotographic developer and electrophotographic developer containing the same | Physics | 9 | Expired |
| US7442483B2 | Ferrite carrier for electrophotographic developer and method for preparing the same, and electrophotographic developer using the same | Physics | 5 | Expired |
| US7521163B2 | Resin-coated ferrite carrier for electrophotographic developer, its production method, and electrophotographic developer using the resin-coated ferrite carrier | Physics | 4 | Active |
| US6387582B2 | Carrier for electrophotographic developer and electrophotographic developer containing the same | Physics | 3 | Expired |
| US7824833B2 | Resin-coated ferrite carrier for electrophotographic developer, its production method, and electrophotographic developer using the resin-coated ferrite carrier | Physics | 2 | Active |
| US7964330B2 | Electrophotographic resin-coated ferrite carrier, method for producing the same, and electrophotographic developer | Physics | 1 | Active |
| US6582870B2 | Carrier for electrophotographic developer and electrophotographic developer containing the same | Physics | 1 | Expired |
| US7897317B2 | Method for producing core material of electrophotographic ferrite carrier and resin-coated ferrite carrier | Physics | 0 | Active |
| US7144670B2 | Carrier for electrophotographic developer and process of producing the same | Physics | 0 | Expired |
| US8026033B2 | Ferrite carrier for electrophotographic developer and electrophotographic developer | Physics | 0 | Active |
| US8247148B2 | Resin-coated ferrite carrier for electrophotographic developer and electrophotographic developer using the resin-coated ferrite carrier | Chemistry; Metallurgy | 0 | Active |
| US8092971B2 | Resin-coated carrier for electrophotographic developer and process for producing the same, and electrophotographic developer comprising the resin-coated carrier | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.