Takashi Nakagiri
53Patents
23h-index
39Co-inventors
88Inventor score
Filing activity: Apr 30, 1975 → Jul 7, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4723129A | Bubble jet recording method and apparatus in which a heating element generates bubbles in a liquid flow path to project droplets | Performing Operations; Transporting | 2,069 | Expired |
| US4740796A | Bubble jet recording method and apparatus in which a heating element generates bubbles in multiple liquid flow paths to project droplets | Performing Operations; Transporting | 1,748 | Expired |
| US4766477A | Semiconductor device including a semiconductor layer having a polycrystalline silicon film with selected atomic constituency | Emerging Cross-Sectional Technologies | 108 | Expired |
| US4470667A | Display process and apparatus thereof incorporating overlapping of color filters | Physics | 108 | Expired |
| US4849774A | Bubble jet recording apparatus which projects droplets of liquid through generation of bubbles in a liquid flow path by using heating means responsive to recording signals | Performing Operations; Transporting | 77 | Expired |
| US4740829A | Semiconductor device having a thin layer comprising germanium atoms as a matrix with a restricted range of hydrogen atom concentration | Emerging Cross-Sectional Technologies | 75 | Expired |
| US4683147A | Method of forming deposition film | Performing Operations; Transporting | 67 | Expired |
| US4683146A | Process for producing deposition films | Electricity | 66 | Expired |
| US4814842A | Thin film transistor utilizing hydrogenated polycrystalline silicon | Electricity | 65 | Expired |
| US5623476A | Recording device and reproduction device | Emerging Cross-Sectional Technologies | 52 | Expired |
| US4683145A | Method for forming deposited film | Performing Operations; Transporting | 46 | Expired |
| US5159349A | Recording apparatus which projects droplets of liquid through generation of bubbles in a liquid flow path in response to signals received from a photosensor | Performing Operations; Transporting | 44 | Expired |
| US4761058A | Biasing liquid crystal displays having capacitors and transistors | Physics | 42 | Expired |
| US4569855A | Method of forming deposition film | Electricity | 41 | Expired |
| US5122814A | Bubble jet recording apparatus actuated by interface means | Performing Operations; Transporting | 35 | Expired |
| US4448867A | Image forming method and device for same | Electricity | 31 | Expired |
| US5754194A | Bubble jet recording with selectively driven electrothermal transducers | Performing Operations; Transporting | 30 | Expired |
| US4625224A | Thin film transistor having polycrystalline silicon layer with 0.01 to 5 atomic % chlorine | Electricity | 30 | Expired |
| US5521621A | Bubble jet recording apparatus with processing circuit for tone gradation recording | Performing Operations; Transporting | 28 | Expired |
| US4905072A | Semiconductor element | Electricity | 25 | Expired |
| US4719501A | Semiconductor device having junction formed from two different hydrogenated polycrystalline silicon layers | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4691982A | Optical coupler | Physics | 23 | Expired |
| US4683144A | Method for forming a deposited film | Performing Operations; Transporting | 23 | Expired |
| US4078935A | Support member | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4347436A | Photoelectric transducing element with high polymer substrate | Emerging Cross-Sectional Technologies | 19 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.