Osamu Furukawa
43Patents
13h-index
52Co-inventors
84Inventor score
Filing activity: Dec 29, 1978 → Dec 8, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6262513A | Electronic component and method of production thereof | Emerging Cross-Sectional Technologies | 85 | Expired |
| US5412214A | Projection exposure method and apparatus with focus detection | Physics | 74 | Expired |
| US6278957A | Alignment method and apparatus therefor | Physics | 63 | Expired |
| US5365051A | Projection exposure apparatus | Physics | 49 | Expired |
| US6876946B2 | Alignment method and apparatus therefor | Physics | 44 | Expired |
| US5164882A | Ceramic capacitor | Chemistry; Metallurgy | 28 | Expired |
| US6754950B2 | Electronic component and method of production thereof | Emerging Cross-Sectional Technologies | 24 | Expired |
| US6914367B2 | Surface acoustic wave device and method of manufacturing the device | Electricity | 21 | Expired |
| US4990390A | Fiber grid reinforcement | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4772985A | Thick film capacitor | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4767732A | High dielectric constant ceramic material and method of manufacturing the same | Electricity | 15 | Expired |
| US5059566A | High-dielectric constant ceramic composite and ceramic capacitor elements | Electricity | 15 | Expired |
| US6628043B2 | Electronic component and method of production thereof | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4540971A | Metal oxide varistor made by a co-precipation process and freeze-dried | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4882652A | High dielectric constant type ceramic composition | Chemistry; Metallurgy | 11 | Expired |
| US5182695A | Ceramic composition and electronic part using the same | Electricity | 10 | Expired |
| US4527146A | Varistor | Electricity | 9 | Expired |
| US6833517B2 | Multiple switch device | Electricity | 8 | Expired |
| US4818736A | High dielectric constant type ceramic composition | Electricity | 7 | Expired |
| US5783785A | Switch including two step sequential operation | Electricity | 7 | Expired |
| US6339704B1 | Surface acoustic wave device and communication apparatus | Electricity | 7 | Expired |
| US7315455B2 | Surface-mounted electronic component module and method for manufacturing the same | Electricity | 6 | Expired |
| US4614253A | Mast channel member configuration of forklift truck | Performing Operations; Transporting | 5 | Expired |
| US4224174A | Piezoelectric oxide materials | Chemistry; Metallurgy | 4 | Expired |
| US4535314A | Varistor includes oxides of bismuth, cobalt, manganese, antimony, nickel and trivalent aluminum | Electricity | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.