Toshihiro Kato
46Patents
9h-index
72Co-inventors
78Inventor score
Filing activity: Aug 4, 1977 → Oct 5, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4722130A | Method of manufacturing a semiconductor device | Emerging Cross-Sectional Technologies | 68 | Expired |
| US5132750A | Light-emitting diode having light reflecting layer | Electricity | 45 | Expired |
| US6631107B1 | Method and apparatus for information recording medium | Physics | 21 | Expired |
| US5126823A | Lead frame having at least two islands and resin molded semiconductor device using it | Electricity | 17 | Expired |
| US4905318A | Semiconductor hall element with magnetic powder in resin | Electricity | 14 | Expired |
| US4924351A | Recessed thermally conductive packaged semiconductor devices | Electricity | 13 | Expired |
| US4330925A | Method and apparatus for automatically loading flexible belt-shaped recording medium | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4874956A | Method and apparatus for inspecting semiconductor devices for their bonding status | Electricity | 10 | Expired |
| US5260589A | Semiconductor device having reflecting layers made of varying unit semiconductors | Electricity | 9 | Expired |
| US6504826B1 | Digital broadcasting receiver | Electricity | 8 | Expired |
| US5747862A | Spin-polarized electron emitter having semiconductor opto-electronic layer with split valence band and reflecting mirror | Electricity | 7 | Expired |
| US4911350A | Semiconductor bonding means having an improved capillary and method of using the same | Electricity | 6 | Expired |
| US5315127A | Semiconductor device for emitting highly spin-polarized electron beam | Electricity | 6 | Expired |
| US8548718B2 | Air/fuel ratio variation abnormality detection apparatus, and abnormality detection method | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US5834791A | Process of emitting highly spin-polarized electron beam and semiconductor device therefor | Electricity | 4 | Expired |
| US5523572A | Process of emitting highly spin-polarized electron beam and semiconductor device therefor | Electricity | 4 | Expired |
| US4133491A | Method of and apparatus for winding up tapes on reels | Performing Operations; Transporting | 4 | Expired |
| US7995903B2 | Data recording and reproducing apparatus and data recording and reproducing method | Electricity | 4 | Active |
| US7340153B2 | Apparatus and method for recording and reproducing information | Electricity | 3 | Expired |
| US8490610B2 | Control device for internal combustion engine | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US9752523B2 | Air-fuel ratio control apparatus for internal combustion engine | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US5723871A | Process of emitting highly spin-polarized electron beam and semiconductor device therefor | Electricity | 3 | Expired |
| US9043121B2 | Air-fuel ratio variation abnormality detecting device and air-fuel ratio variation abnormality detecting method | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US4467215A | Tape surface discriminating system | Physics | 2 | Expired |
| US8805609B2 | Apparatus and method for detecting abnormal air-fuel ratio variation | Physics | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.