Mamoru Okano
25Patents
5h-index
46Co-inventors
69Inventor score
Filing activity: Mar 17, 1995 → Jan 28, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6328418A | Print head having array of printing elements for printer | Performing Operations; Transporting | 55 | Expired |
| US6443560B1 | Recording head and inkjet recording device having separately arranged ink chambers and ink discharge unit | Performing Operations; Transporting | 16 | Expired |
| US6776844B2 | Organic EL display and production device of color filter | Electricity | 16 | Expired |
| US5666598A | Image forming method and apparatus using energy beam impingement on image forming particles to move the same | Physics | 14 | Expired |
| US6286938A | Ink jet recording head and ink jet recording apparatus | Performing Operations; Transporting | 9 | Expired |
| US6604816B1 | Ink-jet recording head and ink-jet recorder | Performing Operations; Transporting | 4 | Expired |
| US9308738B2 | Gas-liquid separator and inkjet recording apparatus using the same | Performing Operations; Transporting | 3 | Active |
| US6412916B1 | Ink jet printer | Performing Operations; Transporting | 3 | Expired |
| US7699455B2 | Inkjet recording apparatus | Performing Operations; Transporting | 2 | Active |
| US6557981B1 | Ink jet recorder | Performing Operations; Transporting | 2 | Expired |
| US6849128B2 | Organic EL display and production device of color filter cross reference to related application | Electricity | 2 | Expired |
| US6067102A | Electrophotographic recording device and exposure controlling device therefor | Electricity | 1 | Expired |
| US7475974B2 | Inkjet recording apparatus | Performing Operations; Transporting | 1 | Active |
| US9481175B2 | Gas-liquid separator and inkjet recording apparatus using the same | Performing Operations; Transporting | 1 | Active |
| US9302482B2 | Inkjet printing device | Performing Operations; Transporting | 1 | Active |
| US10183494B2 | Inkjet recording apparatus | Performing Operations; Transporting | 0 | Active |
| US10933642B2 | Ink jet recording apparatus | Performing Operations; Transporting | 0 | Active |
| US7503645B2 | Droplet generator and ink-jet recording device using thereof | Performing Operations; Transporting | 0 | Active |
| US9120322B2 | Ink jet recording device | Performing Operations; Transporting | 0 | Active |
| US10703108B2 | Inkjet recording apparatus | Performing Operations; Transporting | 0 | Active |
| US10703095B2 | Inkjet recording device | Performing Operations; Transporting | 0 | Active |
| US9744769B2 | Gas-liquid separator and inkjet recording apparatus using the same | Performing Operations; Transporting | 0 | Active |
| US11623444B2 | Ink jet recording apparatus | Performing Operations; Transporting | 0 | Active |
| US10857787B2 | Inkjet recording device | Performing Operations; Transporting | 0 | Active |
| US5995124A | Color electrophotographic printer with belt control | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.