Tetsushi Ishikawa
24Patents
3h-index
44Co-inventors
63Inventor score
Filing activity: Dec 17, 1986 → Mar 15, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4784084A | Breeding cage for small animal and breeding of small animal using the same | Human Necessities | 9 | Expired |
| US10022979B2 | Liquid ejection head, liquid ejection apparatus, and manufacturing method | Performing Operations; Transporting | 9 | Active |
| US4840142A | Apparatus for raising small animals | Human Necessities | 3 | Expired |
| US8097301B2 | Electrical insulation film manufacturing method | Emerging Cross-Sectional Technologies | 3 | Active |
| US7993795B2 | Electronic device | Emerging Cross-Sectional Technologies | 2 | Active |
| US10894409B2 | Method of manufacturing a liquid ejection head | Performing Operations; Transporting | 1 | Active |
| US8641979B2 | Reaction device and electronic equipment | Emerging Cross-Sectional Technologies | 1 | Active |
| US10150292B2 | Liquid discharge head, manufacturing method therefor, and recording method | Performing Operations; Transporting | 1 | Active |
| US8770719B2 | Liquid discharge head | Performing Operations; Transporting | 0 | Active |
| US10303062B2 | Method of manufacturing structure and method of manufacturing liquid ejection head | Performing Operations; Transporting | 0 | Active |
| US10364142B2 | Method of forming space for use in analysis devices | Performing Operations; Transporting | 0 | Active |
| US8883404B2 | Process for producing a liquid ejection head | Physics | 0 | Active |
| US8877433B2 | Method of manufacturing liquid injection head and exposure method | Physics | 0 | Active |
| US10401730B2 | Method for producing microstructure and method for producing liquid ejection head | Physics | 0 | Active |
| US11161344B2 | Method for manufacturing substrate and liquid ejection head substrate | Emerging Cross-Sectional Technologies | 0 | Active |
| US10315425B2 | Method of producing structure and method of producing liquid discharge head | Performing Operations; Transporting | 0 | Active |
| US12409656B2 | Method for manufacturing element substrate, element substrate, and liquid ejection head | Physics | 0 | Active |
| US9738076B2 | Manufacturing method of liquid ejection head | Emerging Cross-Sectional Technologies | 0 | Active |
| US10618286B2 | Manufacturing method for structure and manufacturing method for liquid ejecting head | Emerging Cross-Sectional Technologies | 0 | Active |
| US11155093B2 | Method of producing structure, protective substrate, and method of producing protective substrate | Physics | 0 | Active |
| US11465418B2 | Manufacturing method for structure and manufacturing method for liquid ejection head | Physics | 0 | Active |
| US10279589B2 | Method for manufacturing structure | Performing Operations; Transporting | 0 | Active |
| US11424157B2 | Method of manufacturing structure | Electricity | 0 | Active |
| US9914295B2 | Method for manufacturing structure | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.