Takashi Kato
462Patents
32h-index
637Co-inventors
93Inventor score
Filing activity: May 4, 1973 → Mar 3, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4939568A | Three-dimensional integrated circuit and manufacturing method thereof | Electricity | 602 | Expired |
| US6423012B1 | Medical guide wire | Human Necessities | 233 | Expired |
| US6169854A | Display device connectable to a camera | Physics | 117 | Expired |
| US5812551A | ATM exchange with band camp-on registration function | Electricity | 106 | Expired |
| US5664243A | Camera | Electricity | 101 | Expired |
| US4495219A | Process for producing dielectric layers for semiconductor devices | Electricity | 98 | Expired |
| US5525550A | Process for forming thin films by plasma CVD for use in the production of semiconductor devices | Emerging Cross-Sectional Technologies | 95 | Expired |
| US6519258B1 | ATM exchange | Electricity | 93 | Expired |
| US5088297A | Air conditioning apparatus | Emerging Cross-Sectional Technologies | 92 | Expired |
| US5905530A | Image pickup apparatus | Electricity | 89 | Expired |
| US6903471B2 | Stator cooling structure for multi-shaft, multi-layer electric motor | Emerging Cross-Sectional Technologies | 69 | Expired |
| US5051865A | Multi-layer semiconductor device | Electricity | 66 | Expired |
| US6841989B2 | Hall-effect current detector | Electricity | 66 | Expired |
| US5661835A | Optical composite module and method of assembling the same | Electricity | 62 | Expired |
| US6759841B2 | Hall-effect current detector | Electricity | 61 | Expired |
| US6727683B2 | Hall-effect current detector | Electricity | 60 | Expired |
| US4826787A | Method for adhesion of silicon or silicon dioxide plate | Electricity | 52 | Expired |
| US5573140A | Metallic vacuum double-walled container | Chemistry; Metallurgy | 51 | Expired |
| US5577032A | Broadcast service system | Electricity | 51 | Expired |
| US5691851A | Zoom lens | Physics | 48 | Expired |
| US6829099B2 | Projection optical system and projection exposure apparatus | Physics | 47 | Expired |
| US5148259A | Semiconductor device having thin film wiring layer of aluminum containing carbon | Emerging Cross-Sectional Technologies | 45 | Expired |
| US4648281A | Turbine flowmeter | Physics | 42 | Expired |
| US6995918B2 | Projection optical system and projection exposure apparatus | Physics | 41 | Expired |
| US5859945A | Array type light emitting element module and manufacturing method therefor | Physics | 39 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.