Akio Saito
132Patents
26h-index
190Co-inventors
93Inventor score
Filing activity: Sep 2, 1975 → Nov 16, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5155502A | Ink-jet cartridge | Performing Operations; Transporting | 238 | Expired |
| US4512348A | Device for automatically and continuously measuring the constituent parts of blood | Human Necessities | 210 | 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 |
| US4994825A | Ink jet recording head equipped with a discharging opening forming member including a protruding portion and a recessed portion | Performing Operations; Transporting | 89 | Expired |
| US5389957A | Ink jet head with contoured outlet surface | Performing Operations; Transporting | 80 | Expired |
| US5131539A | Package for ink jet cartridge | Performing Operations; Transporting | 77 | Expired |
| US4352955A | Control signal transmission system for use in a mobile radio communication system | Electricity | 76 | Expired |
| US4587534A | Liquid injection recording apparatus | Performing Operations; Transporting | 71 | Expired |
| US4568953A | Liquid injection recording apparatus | Performing Operations; Transporting | 70 | Expired |
| US5095321A | Liquid jet recording head joined by a biasing member | Performing Operations; Transporting | 69 | Expired |
| US5237342A | Ink jet head and ink jet recording apparatus having an ink container filled with porous material | Performing Operations; Transporting | 67 | Expired |
| US5979475A | Specimen holding method and fluid treatment method of specimen surface and systems therefor | Electricity | 63 | Expired |
| US6714172B2 | Display control system and its control method, switching device, connection device, peripheral device, peripheral device system, and their control method, and computer readable memory | Physics | 53 | Expired |
| US5485184A | Ink jet recording head and ink jet apparatus having same | Performing Operations; Transporting | 52 | Expired |
| US4646110A | Liquid injection recording apparatus | Performing Operations; Transporting | 48 | Expired |
| US5280299A | Ink filling method for ink jet recording apparatus | Performing Operations; Transporting | 46 | Expired |
| US6943845B2 | Apparatus and method for data processing, and storage medium | Electricity | 41 | Expired |
| US5244092A | Package for ink jet cartridge | Emerging Cross-Sectional Technologies | 41 | Expired |
| US6576393B1 | Composition for resist underlayer film and method for producing the same | Emerging Cross-Sectional Technologies | 39 | Expired |
| US5515091A | Replaceable ink tank | Performing Operations; Transporting | 35 | Expired |
| US5148192A | Liquid jet recording head with nonlinear liquid passages and liquid jet recording apparatus having same | Performing Operations; Transporting | 31 | Expired |
| USD327426S | Blister Package | General | 30 | Expired |
| US5162818A | Ink jet recording head having a window for observation of electrical connection | Performing Operations; Transporting | 26 | Expired |
| US5189443A | Recording head having stress-minimizing construction | Performing Operations; Transporting | 26 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.