Takuya Kawakami
45Patents
10h-index
36Co-inventors
75Inventor score
Filing activity: Jun 26, 2001 → Nov 10, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6543770B1 | Card inverting device, card game machine, and card inverting method | Human Necessities | 52 | Expired |
| USD863419S1 | Flange coupling for process cartridge for image forming apparatus | General | 34 | Active |
| USD622309S1 | Process cartridge | General | 19 | Expired |
| USD583860S1 | Toner cartridge | General | 19 | Expired |
| US9651916B2 | Cartridge having storing medium and image forming apparatus using the cartridge | Physics | 17 | Active |
| USD845384S1 | Process cartridge for image forming apparatus | General | 16 | Active |
| USD622308S1 | Process cartridge | General | 15 | Expired |
| US9395679B2 | Cartridge detachably mountable to main assembly of electrophotographic image forming apparatus, assembling method for drive transmitting device for photosensitive drum, and electrophotographic image forming apparatus | Emerging Cross-Sectional Technologies | 14 | Active |
| US9823619B2 | Cartridge detachably mountable to main assembly of electrophotographic image forming apparatus, assembling method for drive transmitting device for photosensitive drum, and electrophotographic image forming apparatus | Emerging Cross-Sectional Technologies | 10 | Active |
| USD585482S1 | Toner cartridge | General | 10 | Expired |
| US10795311B2 | Cartridge, photosensitive member unit and electrophotographic image forming apparatus | Physics | 6 | Active |
| US9836016B2 | Image forming apparatus and cartridge | Physics | 6 | Active |
| US11016438B2 | Cartridge, photosensitive member unit and electrophotographic image forming apparatus | Physics | 5 | Active |
| US11112753B2 | Cartridge with a sheet to remove matter from a surface of a photosensitive drum | Physics | 4 | Active |
| US11163259B2 | Cartridge detachably mountable to main assembly of electrophotographic image forming apparatus, assembling method for drive transmitting device for photosensitive drum, and electrophotographic image forming apparatus | Emerging Cross-Sectional Technologies | 4 | Active |
| US10635045B2 | Cartridge detachably mountable to main assembly of electrophotographic image forming apparatus, assembling method for drive transmitting device for photosensitive drum, and electrophotographic image forming apparatus | Emerging Cross-Sectional Technologies | 4 | Active |
| US10156811B2 | Conveying device having a first conveyance member that transmits driving force to a second conveyance member | Physics | 3 | Active |
| US11435689B2 | Cartridge | Physics | 3 | Active |
| US10331077B2 | Cartridge where biasing member is reliably held on coupling member | Physics | 2 | Active |
| USD862586S1 | Photosensitive drum for process cartridge for image forming apparatus | General | 2 | Active |
| USD862585S1 | Side cover for process cartridge for image forming apparatus | General | 2 | Active |
| USD889415S1 | Process cartridge for image forming apparatus | General | 2 | Active |
| US11480916B2 | Cartridge having toner removing sheet in contact with photosensitive drum | Physics | 1 | Active |
| US11204565B2 | Developing apparatus to increase adhesion between a seal member and a regulation portion in the developing apparatus | Physics | 1 | Active |
| US8620197B2 | Developer stirring member, developing apparatus and process cartridge | Physics | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.