Ryuji Yamamura
7Patents
5h-index
6Co-inventors
52Inventor score
Filing activity: Feb 10, 1988 → Mar 10, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4828695A | Packaging material for high pressure liquid chromatography and method of making the same | Emerging Cross-Sectional Technologies | 35 | Expired |
| US5250983A | Photo reticle for fabricating a semiconductor device | Electricity | 34 | Expired |
| US5352935A | Semiconductor integrated circuit device with internal voltage controlling circuit | Physics | 33 | Expired |
| US5027252A | Semiconductor input protection device | Electricity | 16 | Expired |
| US5272677A | Semiconductor memory device equipped with step-down power voltage supply system for sense amplifier circuit arrays | Physics | 9 | Expired |
| US5831999A | Method and apparatus for correcting code errors | Physics | 4 | Expired |
| US5289061A | Output gate for a semiconductor IC | Electricity | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.