Hidejiro Kadowaki
50Patents
17h-index
41Co-inventors
84Inventor score
Filing activity: Oct 7, 1975 → Jul 25, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5512924A | Jet apparatus having an ink jet head and temperature controller for that head | Mechanical Engineering; Lighting; Heating | 123 | Expired |
| US5589858A | Information recording apparatus | Performing Operations; Transporting | 94 | Expired |
| US5398053A | Liquid jet recording apparatus having auxiliary recording head | Performing Operations; Transporting | 48 | Expired |
| US5270738A | Liquid jet recording apparatus having rotary transmitting member for recording medium | Performing Operations; Transporting | 40 | Expired |
| US5640239A | Optical device and displacement information measurement apparatus using the same | Physics | 37 | Expired |
| US4903123A | Image processing apparatus using inclined line screens to reduce Moire | Electricity | 35 | Expired |
| US5502466A | Doppler velocimeter and position information detection apparatus for use with objects having variations in surface depth | Physics | 29 | Expired |
| US4030447A | Developing device | Physics | 28 | Expired |
| US4783837A | Image processing apparatus | Electricity | 27 | Expired |
| US4165165A | Color image formation apparatus | Physics | 25 | Expired |
| US5280308A | Sheet feeding device | Performing Operations; Transporting | 25 | Expired |
| US5402160A | Ink jet recording apparatus with plural heat pipes for temperature stabilization | Mechanical Engineering; Lighting; Heating | 24 | Expired |
| US5530462A | Recovery technique for ink jet recording apparatus | Performing Operations; Transporting | 22 | Expired |
| US5451989A | Ink jet recording apparatus with a heat pipe for temperature stabilization | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US5483332A | Displacement information detecting apparatus and doppler velocimeter apparatus | Physics | 22 | Expired |
| US5828387A | Recording apparatus with compensation for variations in feeding speed | Electricity | 20 | Expired |
| US5229830A | Doppler velocimeter | Physics | 19 | Expired |
| US5737116A | Frequency shifter and optical displacement measuring apparatus using the same | Physics | 17 | Expired |
| US6151185A | Position detecting apparatus, positioning apparatus, and information recording apparatus using the same | Physics | 17 | Expired |
| US5216478A | Doppler velocity meter | Performing Operations; Transporting | 17 | Expired |
| US5231423A | Ink jet recording apparatus with heat exchange means | Performing Operations; Transporting | 17 | Expired |
| US5812250A | Doppler velocimeter and various kinds of apparatuses for signal processing thereof | Physics | 17 | Expired |
| US5629793A | Frequency shifter and optical displacement measurement apparatus using the same | Physics | 15 | Expired |
| US5796470A | Frequency shifter and optical displacement measuring apparatus using the frequency shifter | Physics | 14 | Expired |
| US5930066A | Information recording apparatus | Physics | 14 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.