Nobuaki Tsuji
45Patents
10h-index
35Co-inventors
75Inventor score
Filing activity: Mar 9, 1988 → Jan 23, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5491352A | Semiconductor device having peripheral metal wiring | Emerging Cross-Sectional Technologies | 66 | Expired |
| US6791405B2 | Triangular wave generating circuit used in a Class-D amplifier | Electricity | 21 | Expired |
| US7315202B2 | Pulse-width modulation amplifier and suppression of clipping therefor | Electricity | 14 | Expired |
| US4861702A | Rapidly processable silver halide photographic light-sensitive material and the processing thereof | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6608505B2 | Ouput buffer circuit | Electricity | 13 | Expired |
| US7920082B2 | D/A converter circuit and digital input class-D amplifier | Electricity | 12 | Active |
| US5391920A | Semiconductor device having peripheral metal wiring | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6826215B2 | Laser diode driving circuit | Electricity | 11 | Expired |
| US7679435B2 | Digital input class-D amplifier | Electricity | 10 | Active |
| US7183818B2 | Triangular wave generating circuit adapted to class-D amplifier | Electricity | 10 | Expired |
| US4847189A | High speed processing silver halide photographic light-sensitive material | Emerging Cross-Sectional Technologies | 10 | Expired |
| US7816992B2 | Offset voltage correction circuit and class D amplifier | Electricity | 9 | Active |
| US6291835A | Semiconductor device | Electricity | 8 | Expired |
| US6448856B2 | Electronic volume circuit | Electricity | 8 | Expired |
| US6778011B2 | Pulse-width modulation circuit and power amplifier circuit | Electricity | 8 | Expired |
| US7948313B2 | Class D amplifier circuit | Electricity | 7 | Active |
| US5231656A | Device for detecting film information | Physics | 6 | Expired |
| US5591570A | Light-sensitive silver halide photographic emulsion, silver halide photographic light sensitive material and method for processing silver halide photographic light-sensitive material | Physics | 5 | Expired |
| US5654571A | Semiconductor device | Electricity | 5 | Expired |
| US7924089B2 | Offset voltage correction circuit and class D amplifier | Electricity | 5 | Active |
| US7298855B2 | Volume circuit using resistive ladder circuits | Electricity | 4 | Expired |
| US6894320B2 | Input protection circuit | Electricity | 3 | Expired |
| USH674H | Silver halide photographic light-sensitive material capable of | General | 3 | Active |
| US7830182B2 | Comparator | Electricity | 3 | Active |
| US6384632B2 | Buffer circuit | Electricity | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.