Masahiro Haruta
99Patents
31h-index
89Co-inventors
91Inventor score
Filing activity: Dec 5, 1974 → Dec 4, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4597794A | Recording process and a recording liquid thereof | Emerging Cross-Sectional Technologies | 268 | Expired |
| US5658376A | Water-based dispersion ink for bubble jet printing and ink-jet recording method and apparatus using same | Chemistry; Metallurgy | 118 | Expired |
| US4410899A | Method for forming liquid droplets | Performing Operations; Transporting | 92 | Expired |
| US4909914A | Reaction apparatus which introduces one reacting substance within a convergent-divergent nozzle | Electricity | 89 | Expired |
| US6214963A | Water-soluble addition polymer and aqueous ink using the same | Emerging Cross-Sectional Technologies | 74 | Expired |
| US4683147A | Method of forming deposition film | Performing Operations; Transporting | 67 | Expired |
| US5782967A | Ink-jet ink containing phytic acid, and ink jet recording method and ink-jet instrument using the same | Chemistry; Metallurgy | 66 | Expired |
| US4683146A | Process for producing deposition films | Electricity | 66 | Expired |
| US4263601A | Image forming process | Emerging Cross-Sectional Technologies | 63 | Expired |
| US5698478A | Ink jet printing cloth, textile printing process, and print | Emerging Cross-Sectional Technologies | 52 | Expired |
| US6552156B2 | Water-soluble addition polymer and aqueous ink using the same | Emerging Cross-Sectional Technologies | 52 | Expired |
| US4481244A | Material used to bear writing or printing | Emerging Cross-Sectional Technologies | 52 | Expired |
| US6036307A | Ink-jet printing process and print | Textiles; Paper | 51 | Expired |
| US5902387A | Ink-jet textile printing ink, and ink-jet printing process and instrument making use of the same | Textiles; Paper | 48 | Expired |
| US5515093A | Ink jet printing method and print medium for use in the method | Emerging Cross-Sectional Technologies | 47 | Expired |
| US4683145A | Method for forming deposited film | Performing Operations; Transporting | 46 | Expired |
| US5540764A | Ink, and ink-jet recording method and instrument using the same | Textiles; Paper | 43 | Expired |
| US5764261A | Ink for ink-jet printing and the printing process therewith | Textiles; Paper | 42 | Expired |
| US4675693A | Liquid injection recording method in which the liquid droplet volume has a predetermined relationship to the area of the liquid discharge port | Performing Operations; Transporting | 42 | Expired |
| US4640592A | Optical display utilizing thermally formed bubble in a liquid core waveguide | Physics | 41 | Expired |
| US5182579A | Ink-jet having ink storing absorbant material | Performing Operations; Transporting | 41 | Expired |
| US4569855A | Method of forming deposition film | Electricity | 41 | Expired |
| US5500023A | Ink-jet printing process, ink set for use in such process, and processed article obtained thereby | Performing Operations; Transporting | 38 | Expired |
| US5781216A | Ink-jet printing cloth, textile printing method of the same and print resulting therefrom | Emerging Cross-Sectional Technologies | 37 | Expired |
| US5922625A | Print medium for use in ink jet printing method | Emerging Cross-Sectional Technologies | 36 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.