Masaki Ichikawa
17Patents
5h-index
23Co-inventors
66Inventor score
Filing activity: Feb 12, 1987 → Mar 7, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4844905A | Granule remaining in stomach | Human Necessities | 66 | Expired |
| US8148970B2 | Reference current generating circuit | Physics | 48 | Active |
| US5030354A | Separation agent for optical isomers | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6886599B2 | Gas supply unit | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6329547A | Vinylbenzene derivatives | Chemistry; Metallurgy | 5 | Expired |
| US7245530B2 | Semiconductor memory device with MOS transistors, each including floating gate and control gate, and memory card including the same | Electricity | 5 | Expired |
| US7646222B2 | Semiconductor device for generating power on reset signal | Physics | 3 | Active |
| US10241436B1 | Image forming apparatus and laser light detecting method | Physics | 1 | Active |
| US6395932B1 | 1,2-diphenyl-2-propen-1-one derivatives | Emerging Cross-Sectional Technologies | 1 | Expired |
| US9210014B2 | Cross-polar interference cancellation system, wireless station device, wireless communication method | Electricity | 1 | Active |
| US11613134B2 | Image forming apparatus | Performing Operations; Transporting | 0 | Active |
| US10447893B2 | Image forming apparatus, computer-readable storage medium, and image forming method with position acquisition and correction | Electricity | 0 | Active |
| US10057756B2 | Terminal detection method and communication device | Electricity | 0 | Active |
| US11449721B2 | Image forming apparatus having light emission control and image forming method | Physics | 0 | Active |
| US8744503B2 | Wireless communication device, wireless communication system, and wireless communication method | Electricity | 0 | Active |
| US11590618B2 | Workpiece gripping device | Performing Operations; Transporting | 0 | Active |
| US11813848B2 | Image forming apparatus | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.