Hiroshi Ichimura
20Patents
6h-index
32Co-inventors
69Inventor score
Filing activity: Jun 30, 1976 → Jun 5, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4085001A | Fiber reinforced cementitious substrate | Emerging Cross-Sectional Technologies | 40 | Expired |
| US4964137A | Method of refining rare gas fluoride excimer laser gas | Electricity | 18 | Expired |
| US5161022A | dc-dc Converter for video apparatus | Electricity | 14 | Expired |
| US5927429A | Electric power steering apparatus | Performing Operations; Transporting | 13 | Expired |
| US4736243A | Color imaging apparatus with closed-loop control means for producing color signal frequency and phase control signals from a reference color signal and two reference index signals stored in a memory | Electricity | 9 | Expired |
| US4736242A | Transitory scanning speed phase compensation using luminance edge detection | Electricity | 7 | Expired |
| US4620221A | Color imaging apparatus with compensation for beam deflection nonlinearity | Electricity | 6 | Expired |
| US6049340A | CAD system | Physics | 4 | Expired |
| US4360826A | Image pickup device | Electricity | 4 | Expired |
| US4616255A | Color television signal generating apparatus having circuit for reducing noise in output primary color signals of camera tube having color-resolving striped filter | Electricity | 3 | Expired |
| US4691227A | Color imaging apparatus having a 1:2 frequency ratio between video and reference signals for high S/N color demodulation | Electricity | 3 | Expired |
| US4652910A | Automatic beam current control with an envelope detector for a color television camera tube with a stripe filter | Electricity | 2 | Expired |
| US4916528A | Color stripe filter in color image pickup apparatus | Electricity | 1 | Expired |
| US4692421A | Dielectric ceramics | Electricity | 1 | Expired |
| US4757377A | Color television image pickup device with a stripe filter parallel to scanning direction | Electricity | 1 | Expired |
| US4855816A | Color imaging apparatus including phase control system for maintaining start positions of scanning lines equal to start positions of reference values thereof | Electricity | 1 | Expired |
| US4757375A | Color television image pickup device with a stripe filter parallel to scanning direction | Electricity | 0 | Expired |
| US4857995A | Color imaging apparatus including control system for stabilizing phase and frequency of a video signal carrier frequency | Electricity | 0 | Expired |
| US4811088A | Color video camera apparatus providing correction of light intensity-dependent phase errors in color multiplex carrier signal | Electricity | 0 | Expired |
| US4757376A | Color television image pickup device with a stripe filter parallel to scanning direction | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.