Hiroyuki Iwasaki
97Patents
16h-index
103Co-inventors
87Inventor score
Filing activity: Mar 13, 1981 → Jun 3, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6783875B2 | Halogen gas plasma-resistive members and method for producing the same, laminates, and corrosion-resistant members | Emerging Cross-Sectional Technologies | 429 | Expired |
| US5375256A | Broadband radio transceiver | Electricity | 63 | Expired |
| US5130210A | Stabilized zirconia solid electrolyte and process for preparation thereof | Emerging Cross-Sectional Technologies | 42 | Expired |
| US5016039A | Camera system | Physics | 42 | Expired |
| US4950562A | Solid electrolyte type fuel cells | Emerging Cross-Sectional Technologies | 39 | Expired |
| US5926322A | Zoom lens device with zooming position detector | Physics | 38 | Expired |
| US5515600A | Parts mounter and cartridge structure | Emerging Cross-Sectional Technologies | 38 | Expired |
| US5418595A | Camera having a subject tracking function and method therefor | Physics | 31 | Expired |
| US5238627A | Method for producing ceramics sintered article and molding method and molding apparatus to be used therefor | Chemistry; Metallurgy | 28 | Expired |
| US6195211A | Zoom lens device with zooming position detector | Physics | 27 | Expired |
| US5394160A | Portable radio with coplanar ground and atenna conductive films formed on the inner surface of the case | Electricity | 26 | Expired |
| US5819120A | Variable focus lens device in camera | Physics | 24 | Expired |
| US5140212A | Diaphragm electromagnetic drive device | Electricity | 22 | Expired |
| US6272292A | Electronic flash control apparatus | Physics | 21 | Expired |
| US5156856A | Mold for forming molded body | Performing Operations; Transporting | 17 | Expired |
| US6176256A | Gas pressure-reducing valve | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6155290A | Gas pressure-reducing valve | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5987265A | Photometry device of camera | Physics | 15 | Expired |
| US5296175A | Method of forming molded body | Performing Operations; Transporting | 15 | Expired |
| US5450163A | Photometric device for camera | Physics | 13 | Expired |
| US5717459A | Solid state imager device having A/D converter | Electricity | 13 | Expired |
| US5758201A | Camera having line of sight detecting device | Physics | 13 | Expired |
| US5392091A | Exposure calculating apparatus | Physics | 12 | Expired |
| US5777671A | Solid state imager having high frequency transfer mode | Electricity | 12 | Expired |
| US4840843A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 11 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.