Hiroaki Arakawa
28Patents
6h-index
36Co-inventors
69Inventor score
Filing activity: Mar 23, 1993 → Jul 1, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5402051A | Floor cleaning robot and method of controlling same | Human Necessities | 136 | Expired |
| US6270180A | Ink jet printer | Performing Operations; Transporting | 44 | Expired |
| US5705750A | Ultrasonic sensor and pipetting apparatus using same | Physics | 14 | Expired |
| US7354130B2 | Inkjet recording apparatus having an adjusting mechanism for adjusting moving of a recording medium | Performing Operations; Transporting | 10 | Active |
| US5805196A | Apparatus for recording a color image on a color photogaphic material based on three color component image signals separated from the color image | Electricity | 7 | Expired |
| US7364251B2 | Inkjet recording apparatus and recording medium movement control method | Performing Operations; Transporting | 6 | Expired |
| US6726318B2 | Microscopic droplet detecting device and ink-jet recording apparatus | Performing Operations; Transporting | 5 | Expired |
| US10328816B2 | Hybrid vehicle, cooperation system, and control method for hybrid vehicle | Emerging Cross-Sectional Technologies | 4 | Active |
| US10407081B2 | Hybrid vehicle | Emerging Cross-Sectional Technologies | 4 | Active |
| US7118187B2 | Inkjet recording apparatus having an adjusting mechanism for adjusting moving of a recording medium | Performing Operations; Transporting | 4 | Expired |
| US7380899B2 | Inkjet printer | Performing Operations; Transporting | 3 | Active |
| US5974231A | Driving apparatus for printer capable of recording multiple gradation, and printer with driving apparatus | Performing Operations; Transporting | 3 | Expired |
| US7413279B2 | Inkjet printer | Performing Operations; Transporting | 3 | Active |
| US10328854B2 | Hybrid vehicle having notification mechanism | Emerging Cross-Sectional Technologies | 3 | Active |
| US10311653B2 | Hybrid vehicle | Emerging Cross-Sectional Technologies | 3 | Active |
| US6899421B2 | Platen and inkjet recording apparatus having that platen | Performing Operations; Transporting | 2 | Expired |
| US8052239B2 | Driving apparatus of inkjet head | Performing Operations; Transporting | 2 | Active |
| US7699420B2 | Voltage control device, voltage control method, and liquid injection device | Performing Operations; Transporting | 1 | Active |
| US10336251B2 | Hybrid vehicle | Emerging Cross-Sectional Technologies | 1 | Active |
| US6843548B2 | Ink-jet printer | Performing Operations; Transporting | 1 | Expired |
| US10384549B2 | Hybrid vehicle | Emerging Cross-Sectional Technologies | 1 | Active |
| US8191981B2 | Ink jet head driving apparatus | Performing Operations; Transporting | 1 | Active |
| US7445303B2 | Image recording apparatus | Performing Operations; Transporting | 1 | Active |
| US7621617B2 | Ink droplet detection apparatus | Performing Operations; Transporting | 0 | Expired |
| US9981603B2 | Hybrid vehicle having notification mechanism | General | 0 | Revoked |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.