Masakazu Ozawa
24Patents
13h-index
49Co-inventors
81Inventor score
Filing activity: May 12, 1981 → Apr 23, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4383263A | Liquid ejecting apparatus having a suction mechanism | Performing Operations; Transporting | 119 | Expired |
| US4450455A | Ink jet head | Performing Operations; Transporting | 88 | Expired |
| US4394669A | Liquid jet recording apparatus | Performing Operations; Transporting | 87 | Expired |
| US4737801A | Ink supply device and an ink jet recording apparatus having the ink supply device | Emerging Cross-Sectional Technologies | 85 | Expired |
| US5600953A | Compressed air control apparatus | Mechanical Engineering; Lighting; Heating | 62 | Expired |
| US4704620A | Temperature control system and ink jet printer utilizing the temperature control system | Performing Operations; Transporting | 35 | Expired |
| US4701766A | Method of making an ink jet head involving in-situ formation of an orifice plate | Performing Operations; Transporting | 25 | Expired |
| US4900501A | Method and apparatus for encapsulating semi-conductors | Electricity | 24 | Expired |
| US5711150A | Vehicle height control system for controlling vehicle | Performing Operations; Transporting | 23 | Expired |
| US4748459A | Ink jet recording apparatus and capping device | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4651173A | Continuous-form recorder having decrumpling means for removing creases in the form | Performing Operations; Transporting | 20 | Expired |
| US4752787A | Liquid jet recording head | Performing Operations; Transporting | 18 | Expired |
| US4695855A | Ink jet recorder | Performing Operations; Transporting | 14 | Expired |
| US5660489A | Sheet-supplying roller recording device | Performing Operations; Transporting | 13 | Expired |
| US9297433B2 | Electric parking brake driving device and electric parking brake device | Mechanical Engineering; Lighting; Heating | 8 | Active |
| US4539569A | Ink jet recording apparatus | Performing Operations; Transporting | 8 | Expired |
| US4884085A | Recorder having record medium feed and press rollers and lockable means for urging the press rollers to and from the feed roller | Performing Operations; Transporting | 6 | Expired |
| US7207307B2 | Intake system and method for producing the same | Performing Operations; Transporting | 5 | Expired |
| US5964540A | Printer apparatus | Physics | 5 | Expired |
| US8151668B2 | Steering apparatus for vehicle | Performing Operations; Transporting | 5 | Active |
| US4922267A | Recorder having a recording device and a relatively movable stacker for stacking recorded paper | Performing Operations; Transporting | 4 | Expired |
| US7441527B2 | Air suction device | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US5455616A | Recorder having a paper stacker that inhibits inadvertent movement of papers stacked therein | Performing Operations; Transporting | 3 | Expired |
| US6170945A | Ink jet recording apparatus with cartridge storage | Performing Operations; Transporting | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.