Masami Ikeda
215Patents
37h-index
227Co-inventors
93Inventor score
Filing activity: Dec 29, 1981 → May 16, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4558333A | Liquid jet recording head | Performing Operations; Transporting | 1,633 | Expired |
| US6375312B1 | HEAT GENERATING RESISTOR CONTAINING TAN0.8, SUBSTRATE PROVIDED WITH SAID HEAT GENERATING RESISTOR FOR LIQUID JET HEAD, LIQUID JET HEAD PROVIDED WITH SAID SUBSTRATE, AND LIQUID JET APPARATUS PROVIDED WITH SAID LIQUID JET HEAD | Performing Operations; Transporting | 518 | Expired |
| US4611219A | Liquid-jetting head | Performing Operations; Transporting | 213 | Expired |
| US6290334A | Recording apparatus, recording head and substrate therefor | Performing Operations; Transporting | 157 | Expired |
| US6082443A | Cooling device with heat pipe | Electricity | 157 | Expired |
| US5509140A | Replaceable ink cartridge | Performing Operations; Transporting | 152 | Expired |
| US5208604A | Ink jet head and manufacturing method thereof, and ink jet apparatus with ink jet head | Performing Operations; Transporting | 133 | Expired |
| US5262802A | Recording head assembly with single sealing member for ejection outlets and for an air vent | Chemistry; Metallurgy | 107 | Expired |
| US6269866A | Cooling device with heat pipe | Electricity | 95 | Expired |
| US5619238A | Method of making replaceable ink cartridge | Performing Operations; Transporting | 92 | Expired |
| US5175565A | Ink jet substrate including plural temperature sensors and heaters | Performing Operations; Transporting | 91 | Expired |
| US4450455A | Ink jet head | Performing Operations; Transporting | 88 | Expired |
| US5025484A | Character reader device | Physics | 82 | Expired |
| US5389957A | Ink jet head with contoured outlet surface | Performing Operations; Transporting | 80 | Expired |
| US4922269A | Liquid jet recording head unit, method of making same and liquid jet recording apparatus incorporating same | Performing Operations; Transporting | 75 | Expired |
| US4587534A | Liquid injection recording apparatus | Performing Operations; Transporting | 71 | Expired |
| US4568953A | Liquid injection recording apparatus | Performing Operations; Transporting | 70 | Expired |
| US5237342A | Ink jet head and ink jet recording apparatus having an ink container filled with porous material | Performing Operations; Transporting | 67 | Expired |
| US4567493A | Liquid jet recording head | Performing Operations; Transporting | 63 | Expired |
| US6116714A | Printing head, printing method and apparatus using same, and apparatus and method for correcting said printing head | Performing Operations; Transporting | 62 | Expired |
| US4394670A | Ink jet head and method for fabrication thereof | Performing Operations; Transporting | 57 | Expired |
| US4596994A | Liquid jet recording head | Performing Operations; Transporting | 57 | Expired |
| US6263959A | Plate type heat pipe and cooling structure using it | Electricity | 52 | Expired |
| US5485184A | Ink jet recording head and ink jet apparatus having same | Performing Operations; Transporting | 52 | Expired |
| US5051759A | Ink jet cartridge and ink tank | Performing Operations; Transporting | 51 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.