Masakazu Okuda
43Patents
10h-index
31Co-inventors
71Inventor score
Filing activity: May 23, 1995 → Nov 15, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6629741B1 | Ink jet recording head drive method and ink jet recording apparatus | Performing Operations; Transporting | 46 | Expired |
| US6450615B2 | Ink jet printing apparatus and method using a pressure generating device to induce surface waves in an ink meniscus | Performing Operations; Transporting | 28 | Expired |
| US6805338B1 | Semiconductor wafer chuck assembly for a semiconductor processing device | Electricity | 18 | Expired |
| US6467865B1 | Ink jet recording head and ink jet recorder | Performing Operations; Transporting | 18 | Expired |
| US6412926B1 | Ink-jet printer head and ink-jet printer | Performing Operations; Transporting | 17 | Expired |
| US6824083B2 | Fluid jetting device, fluid jetting head, and fluid jetting apparatus | Performing Operations; Transporting | 13 | Expired |
| US6685305B2 | Ink jet recording head and ink jet recording apparatus using this head | Performing Operations; Transporting | 12 | Expired |
| US6799821B1 | Method of driving ink jet recording head | Performing Operations; Transporting | 11 | Expired |
| US6682175B2 | Ink jet recording head and ink jet recording apparatus | Performing Operations; Transporting | 10 | Expired |
| US6154228A | Image recording device capable of preventing deviation of ink dot on recording medium | Performing Operations; Transporting | 10 | Expired |
| US6695437B2 | Inkjet recording head and method for driving an inkjet recording head | Performing Operations; Transporting | 10 | Expired |
| US7595837B2 | Image pickup apparatus and grasp member thereof | Physics | 10 | Active |
| US6705696B1 | Method of driving inkjet recording head and inkjet recording apparatus | Performing Operations; Transporting | 9 | Expired |
| US6962398B2 | Method for driving ink jet recording head and ink jet recorder | Performing Operations; Transporting | 8 | Expired |
| US6685300B1 | Device and method for driving ink jet printing head capable of attaining both high quality printing and reduction of ink consumption | Performing Operations; Transporting | 8 | Expired |
| US6550897B2 | Inkjet recording head and recording apparatus using the same | Performing Operations; Transporting | 8 | Expired |
| US7585063B2 | Filter device and liquid drop ejecting device | Performing Operations; Transporting | 6 | Active |
| US5660486A | Image printing apparatus and image printing method | Physics | 5 | Expired |
| US5710966A | Cleaning device for removing non-transferred toner | Physics | 5 | Expired |
| US6305792A | Ink jet recording head | Performing Operations; Transporting | 4 | Expired |
| US6712454B2 | Ink jet recording head and ink jet recording apparatus | Performing Operations; Transporting | 4 | Expired |
| US7976139B2 | Liquid ejection head and liquid ejection apparatus | Performing Operations; Transporting | 4 | Active |
| US6851778B2 | Droplet ejecting head, method for driving the same, and droplet ejecting apparatus | Performing Operations; Transporting | 4 | Expired |
| US7573179B2 | Driving method of liquid drop ejecting head and liquid drop ejecting apparatus | Performing Operations; Transporting | 3 | Active |
| US6347854B1 | Image recording device capable of preventing deviation of ink dot on recording medium | Performing Operations; Transporting | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.