Shigeru Fujii
29Patents
15h-index
46Co-inventors
81Inventor score
Filing activity: Sep 24, 1973 → Mar 4, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4700089A | Delay circuit for gate-array LSI | Electricity | 348 | Expired |
| US4780846A | Master slice type semiconductor circuit device | Electricity | 64 | Expired |
| USD645367S1 | Automated analyzer | General | 50 | Expired |
| US4989062A | Semiconductor integrated circuit device having multilayer power supply lines | Electricity | 48 | Expired |
| US4727266A | LSI gate array having reduced switching noise | Electricity | 38 | Expired |
| US4697095A | Chip-on-chip semiconductor device having selectable terminal connections | Electricity | 37 | Expired |
| US4859886A | Portable engine-operated electric generator | Mechanical Engineering; Lighting; Heating | 36 | Expired |
| US5731687A | Generator assembly | Mechanical Engineering; Lighting; Heating | 29 | Expired |
| US5132563A | LSI gate array having reduced switching noise | Electricity | 28 | Expired |
| US4490828A | Electric resistance heating element and electric resistance heating furnace using the same as heat source | Electricity | 25 | Expired |
| US4661815A | Gate array integrated device having mixed single column type and matrix type arrays | Electricity | 21 | Expired |
| US4578772A | Voltage dividing circuit | Electricity | 21 | Expired |
| US5093611A | Output circuit for portable generators | Performing Operations; Transporting | 20 | Expired |
| US5489860A | Semiconductor circuit having improved layout pattern | Electricity | 20 | Expired |
| US4701777A | Gate array type semiconductor integrated circuit device | Electricity | 17 | Expired |
| USD841182S1 | Pipette tip for a laboratory instrument | General | 13 | Active |
| USD887574S1 | Pipette tip for a laboratory instrument | General | 12 | Active |
| US4107129A | Antistatic acrylic fiber | Emerging Cross-Sectional Technologies | 9 | Expired |
| US3963803A | Antistatic acrylic fiber | Emerging Cross-Sectional Technologies | 9 | Expired |
| US7251638B2 | Intelligent robust control system for motorcycle using soft computing optimizer | Performing Operations; Transporting | 8 | Expired |
| USD899623S1 | Pipette tip for a laboratory instrument | General | 7 | Active |
| US3941757A | Method for production of copolymer of cyclopentene | Chemistry; Metallurgy | 6 | Expired |
| US4316937A | Water absorbent acrylic fiber | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4663582A | Self-excited generator | Electricity | 3 | Expired |
| US4535281A | Automatic voltage regulating system for electric generator | Electricity | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.