Haruo Ishikawa
20Patents
10h-index
41Co-inventors
75Inventor score
Filing activity: Aug 11, 1976 → Dec 6, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4762057A | Automatic bread producing machine | Performing Operations; Transporting | 64 | Expired |
| US4957040A | Apparatus for making bread | Performing Operations; Transporting | 35 | Expired |
| US7046919B2 | Aroma diffuser | Human Necessities | 31 | Expired |
| US4109160A | Control system for hydroelectric power station system | Emerging Cross-Sectional Technologies | 26 | Expired |
| US4622663A | Optical wavelength demultiplexer | Physics | 22 | Expired |
| US5068537A | Passenger number sensor system | Physics | 14 | Expired |
| US4885176A | Method of making bread | Performing Operations; Transporting | 13 | Expired |
| US4631024A | Catalytic combustion device | Human Necessities | 13 | Expired |
| US4722196A | Device for controlling refrigeration cycle capacity | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5664428A | Indoor unit for an air-conditioning apparatus | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US4684208A | Optical branching element | Physics | 7 | Expired |
| US4559023A | Torque damper | Emerging Cross-Sectional Technologies | 7 | Expired |
| US10856969B2 | Toric intraocular lens and intraocular lens insertion apparatus | Human Necessities | 2 | Active |
| US9732400B2 | Autoclave apparatus used during high-pressure acid leaching process | Emerging Cross-Sectional Technologies | 1 | Active |
| US9463088B2 | Intraocular lens design method and intraocular lens | Human Necessities | 0 | Active |
| US11622851B2 | Toric intraocular lens, intraocular lens insertion tool, and method for producing toric intraocular lens | Human Necessities | 0 | Active |
| US9970077B2 | Method for adding starting material slurry and sulfuric acid to autoclave in high pressure acid leaching process and autoclave | Emerging Cross-Sectional Technologies | 0 | Active |
| US11366336B2 | Toric ophthalmic lens | Physics | 0 | Active |
| US10646328B2 | Toric ophthalmic lens | Physics | 0 | Active |
| US4165448A | Loudspeaker with improved voice coil support | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.