Isao Imamura
57Patents
13h-index
38Co-inventors
84Inventor score
Filing activity: Jun 21, 1991 → Jun 29, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5663752A | Ink jet head free of debonding between a substrate and ink flow path walls formed on said substrate | Performing Operations; Transporting | 36 | Expired |
| US9254661B2 | Liquid ejecting head manufacturing method and liquid ejecting head | Emerging Cross-Sectional Technologies | 34 | Active |
| US8876257B2 | Sealant, inkjet recording head using sealant, and method for manufacturing the same | Emerging Cross-Sectional Technologies | 33 | Active |
| US7074273B2 | Epoxy resin composition, surface treatment method, liquid ejection recording head, and liquid ejection recording apparatus | Chemistry; Metallurgy | 31 | Expired |
| US5524784A | Method for producing ink jet head by multiple development of photosensitive resin, ink jet head produced thereby, and ink jet apparatus with the ink jet head | Physics | 30 | Expired |
| US6123863A | Process for producing liquid-jet recording head, liquid-jet recording head produced thereby, and recording apparatus equipped with recording head | Performing Operations; Transporting | 24 | Expired |
| US5808644A | Method for manufacturing an ink jet recording head having ink filter | Performing Operations; Transporting | 22 | Expired |
| US5770271A | Method for treating the surface of a base and production of an ink-jet recording head using the method | Chemistry; Metallurgy | 20 | Expired |
| US5980026A | Process for production of ink jet head | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5738911A | Process for producing liquid-jet recording head, liquid-jet recording head produced thereby, and liquid-jet recording apparatus comprising the head | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6409931B1 | Method of producing ink jet recording head and ink jet recording head | Performing Operations; Transporting | 17 | Expired |
| US6586495B1 | Alkylsiloxane-containing epoxy resin composition, surface modifying method using the same, ink-jet recording head and liquid-jet recording apparatus | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6750290B2 | Epoxy resin composition, method of improving surface of substrate, ink jet recording head and ink jet recording apparatus | Chemistry; Metallurgy | 15 | Expired |
| US6291545A | Fluorine-containing epoxy resin composition readily soluble in solvent | Chemistry; Metallurgy | 13 | Expired |
| US6318842A | Liquid jet printing head and liquid jet printing apparatus provided with said liquid jet printing head | Performing Operations; Transporting | 13 | Expired |
| US6869541B2 | Epoxy resin composition, surface treating method, ink-jet recording head, and ink-jet recording apparatus | Physics | 12 | Expired |
| US6713128B2 | Alkylsiloxane-containing epoxy resin composition, surface modifying method using the same, ink-jet recording head and liquid-jet recording apparatus | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6895668B2 | Method of manufacturing an ink jet recording head | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6448346B1 | Fluorine-containing epoxy resin composition, and surface modification process, ink jet recording head and ink jet recording apparatus making use of the same | Performing Operations; Transporting | 12 | Expired |
| US6472129B2 | Fluorine-containing epoxy resin composition, and surface modification process, ink jet recording head and ink jet recording apparatus making use of the same | Performing Operations; Transporting | 12 | Expired |
| US6344526B1 | Fluorine-containing epoxy resin composition, and surface modification process, ink jet recording head and ink jet recording apparatus using same | Performing Operations; Transporting | 11 | Expired |
| US6846520B2 | Epoxy resin composition, surface treatment method, liquid-jet recording head and liquid-jet recording apparatus | Chemistry; Metallurgy | 10 | Expired |
| US5983486A | Process for producing ink jet head | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5763141A | Liquid jet recording head, a manufacturing method thereof and a liquid jet recording apparatus having said recording head | Performing Operations; Transporting | 9 | Expired |
| US7687552B2 | Resin composition, resin cured product, and liquid discharge head | Emerging Cross-Sectional Technologies | 8 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.