Sako Ishikawa
5Patents
5h-index
12Co-inventors
56Inventor score
Filing activity: Jan 26, 1983 → Jan 11, 1996
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5852728A | Uninterruptible clock supply apparatus for fault tolerant computer system | Physics | 42 | Expired |
| US4677583A | Apparatus for decimal multiplication | Physics | 10 | Expired |
| US4603397A | Binary coded decimal number division apparatus | Physics | 10 | Expired |
| US4635220A | Binary coded decimal number division apparatus | Physics | 9 | Expired |
| US4543641A | Multiplication device using multiple-input adder | Physics | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.