Ichiro Saito
140Patents
17h-index
107Co-inventors
89Inventor score
Filing activity: Jun 25, 1976 → Oct 16, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6390589B1 | Head substrate, ink jet head, and ink jet printer | Performing Operations; Transporting | 104 | Expired |
| US5968661A | Steel sheet for heat-shrink band | Emerging Cross-Sectional Technologies | 34 | Expired |
| US6685296B2 | Ink tank and ink jet recording apparatus provided with the same | Performing Operations; Transporting | 31 | Expired |
| US6719394B2 | SEMICONDUCTOR DEVICE, INK TANK PROVIDED WITH SUCH SEMICONDUCTOR DEVICE, INK JET CARTRIDGE, INK JET RECORDING APPARATUS, METHOD FOR MANUFACTURING SUCH SEMICONDUCTOR DEVICE, AND COMMUNICATION SYSTEM, METHOD FOR CONTROLLING PRESSURE, MEMORY ELEMENT, SECURITY SYSTEM OF INK JET RECORDING APPARATUS | Electricity | 30 | Expired |
| US6293655A | Liquid ejecting head, head cartridge and liquid ejecting apparatus | Performing Operations; Transporting | 29 | Expired |
| US6769762B2 | Ink jet head substrate, an ink jet head, an ink jet apparatus, and a method for manufacturing an ink jet recording head | Performing Operations; Transporting | 28 | Expired |
| US4737947A | Recording medium having optomagnetic recording layer and optical recording layer with guide tracks of specific reflectance | Emerging Cross-Sectional Technologies | 27 | Expired |
| US6452328B1 | Electron emission device, production method of the same, and display apparatus using the same | Emerging Cross-Sectional Technologies | 26 | Expired |
| US6688729B1 | Liquid discharge head substrate, liquid discharge head, liquid discharge apparatus having these elements, manufacturing method of liquid discharge head, and driving method of the same | Performing Operations; Transporting | 25 | Expired |
| US6374482B1 | Method of manufacturing a liquid discharge head | Emerging Cross-Sectional Technologies | 24 | Expired |
| US6439680B1 | Recording head, substrate for use of recording head, and recording apparatus | Performing Operations; Transporting | 22 | Expired |
| US6095640A | Liquid discharge head, liquid discharge method, head cartridge and liquid discharge device | Performing Operations; Transporting | 22 | Expired |
| US7216960B2 | Method of driving a printhead using a constant current and operating MOS transistor in saturation region | Performing Operations; Transporting | 21 | Expired |
| US6224184A | Printhead compatible with various printers and ink-jet printer using the printhead | Performing Operations; Transporting | 20 | Expired |
| US6342755B1 | Field emission cathodes having an emitting layer comprised of electron emitting particles and insulating particles | Electricity | 20 | Expired |
| US6827411B2 | Solid semiconductor element, ink tank, ink jet recording apparatus provided with ink tank, liquid information acquiring method and liquid physical property change discriminating method | Performing Operations; Transporting | 20 | Expired |
| US6130692A | Printhead operating by time divisional driving of blocks of printing elements, and head cartridge and printer using such a printhead | Performing Operations; Transporting | 18 | Expired |
| US7950769B2 | Circuit board for ink jet head, ink jet head having the same, method for cleaning the head and ink jet printing apparatus using the head | Performing Operations; Transporting | 17 | Active |
| US6652053B2 | Substrate for ink-jet printing head, ink-jet printing head, ink-jet cartridge, ink-jet printing apparatus, and method for detecting ink in ink-jet printing head | Performing Operations; Transporting | 16 | Expired |
| US6196667A | Liquid discharging head, method of manufacturing the liquid discharging head, head cartridge carrying the liquid discharging head thereon and liquid discharging apparatus | Performing Operations; Transporting | 16 | Expired |
| US8123330B2 | Circuit board for ink jet head, ink jet head having the same, method for cleaning the head and ink jet printing apparatus using the head | Performing Operations; Transporting | 16 | Active |
| US6485132B1 | Liquid discharge head, recording apparatus, and method for manufacturing liquid discharge heads | Performing Operations; Transporting | 16 | Expired |
| US6578951B2 | Substrate for use of an ink jet recording head, a method for manufacturing such substrate, an ink jet recording head, and an ink jet recording apparatus | Performing Operations; Transporting | 16 | Expired |
| US6443563B1 | ELECTRO-THERMAL CONVERSION DEVICE BOARD, INK-JET RECORDING HEAD PROVIDED WITH THE ELECTRO-THERMAL CONVERSION DEVICE BOARD, INK-JET RECORDING APPARATUS USING THE SAME, AND PRODUCTION METHOD OF INK-JET RECORDING HEAD | Performing Operations; Transporting | 16 | Expired |
| US4938915A | Method of recording at least ternary data on optomagnetic recording medium having a plurality of magnetic layers | Physics | 15 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.