Kouichi Yamazaki
20Patents
11h-index
41Co-inventors
75Inventor score
Filing activity: Aug 24, 1982 → Nov 30, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5585896A | Image forming apparatus with a contact member contacting an image carrier | Physics | 302 | Expired |
| US5403194A | Elastic interconnector | Performing Operations; Transporting | 28 | Expired |
| US5557373A | Cleaning system for charging drum of an image forming apparatus | Physics | 25 | Expired |
| US5975915A | Socket for inspection of semiconductor device | Electricity | 25 | Expired |
| US5572293A | Method of and system for cleaning a charge inducing member | Physics | 24 | Expired |
| US6609563B1 | Vehicular air conditioning apparatus including a detachably installed mix door assembly | Performing Operations; Transporting | 18 | Expired |
| US5300798A | Semiconductor integrated circuit device | Electricity | 16 | Expired |
| US4841484A | Tri-state IIL gate | Electricity | 16 | Expired |
| US5500280A | Elastomer-based connector sheet | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6017225A | Integral holder-connector for capacitor microphone | Electricity | 12 | Expired |
| US6814138B2 | Air conditioning apparatus for vehicle | Performing Operations; Transporting | 12 | Expired |
| US4799732A | Chair seat inclining and moving device | Human Necessities | 10 | Expired |
| US6442028B2 | Electronic device | Electricity | 8 | Expired |
| US5132806A | Semiconductor integrated circuit device | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5512708A | Toner used in an image forming apparatus | Physics | 7 | Expired |
| US4857987A | Semiconductor device | Electricity | 6 | Expired |
| US5526126A | Signal processor for VTR which converts color under signals to color signals | Electricity | 4 | Expired |
| US6775418B1 | Image processing device and processing method | Electricity | 3 | Expired |
| US4430805A | Rail type universal parallel ruler device | Emerging Cross-Sectional Technologies | 2 | Expired |
| US10131973B2 | High strength spring steel and steel wire | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.