Sumitomo Electric Industries, Ltd.
38,241Patents
6,512Active
38,241Granted
50Portfolio score
Filing activity: Nov 27, 1967 → Aug 23, 2024 · 1,814 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6301604A | Multimedia server | Electricity | 1,332 | Expired |
| US5266179A | Quantitative analysis method and its system using a disposable sensor | Physics | 988 | Expired |
| US5120420A | Biosensor and a process for preparation thereof | Emerging Cross-Sectional Technologies | 978 | Expired |
| US5582697A | Biosensor, and a method and a device for quantifying a substrate in a sample liquid using the same | Emerging Cross-Sectional Technologies | 905 | Expired |
| US5264103A | Biosensor and a method for measuring a concentration of a substrate in a sample | Emerging Cross-Sectional Technologies | 879 | Expired |
| US4224125A | Enzyme electrode | Emerging Cross-Sectional Technologies | 719 | Expired |
| US4897173A | Biosensor and method for making the same | Emerging Cross-Sectional Technologies | 671 | Expired |
| US6239377A | Foamed-polyolefin-insulated wire | Electricity | 654 | Expired |
| US6215890A | Hand gesture recognizing device | Electricity | 597 | Expired |
| US5229282A | Preparation of biosensor having a layer containing an enzyme, electron acceptor and hydrophilic polymer on an electrode system | Emerging Cross-Sectional Technologies | 587 | Expired |
| US6059946A | Biosensor | Emerging Cross-Sectional Technologies | 551 | Expired |
| US5192415A | Biosensor utilizing enzyme and a method for producing the same | Chemistry; Metallurgy | 540 | Expired |
| US6256400A | Method and device for segmenting hand gestures | Physics | 540 | Expired |
| US5616947A | Semiconductor device having an MIS structure | Electricity | 536 | Expired |
| US7107389B2 | Semiconductor memory device and method for writing data into flash memory | Physics | 528 | Expired |
| US5650062A | Biosensor, and a method and a device for quantifying a substrate in a sample liquid using the same | Emerging Cross-Sectional Technologies | 528 | Expired |
| US5575895A | Biosensor and method for producing the same | Emerging Cross-Sectional Technologies | 522 | Expired |
| US5430011A | Crystal compensated superconducting thin film formed of oxide superconductor material | Emerging Cross-Sectional Technologies | 513 | Expired |
| US5098638A | Method of manufacturing a semiconductor device | Emerging Cross-Sectional Technologies | 511 | Expired |
| US6285393A | Object recognition apparatus and method | Electricity | 499 | Expired |
| US5176451A | Temperature sensor | Mechanical Engineering; Lighting; Heating | 494 | Expired |
| US5331312A | Obstacle-detecting apparatus | Physics | 491 | Expired |
| US5651869A | Biosensor | Emerging Cross-Sectional Technologies | 484 | Expired |
| US6577073B2 | Led lamp | Emerging Cross-Sectional Technologies | 478 | Expired |
| US5459368A | Surface acoustic wave device mounted module | Electricity | 475 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.