Ko Ishikawa
18Patents
6h-index
30Co-inventors
62Inventor score
Filing activity: Aug 29, 1989 → Jun 12, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4963887A | Full duplex transponder system | Physics | 69 | Expired |
| US5119099A | Microwave responder | Electricity | 32 | Expired |
| US5201060A | Baseband signal communication apparatus | Electricity | 15 | Expired |
| US7083224B2 | Front fender structure | Performing Operations; Transporting | 11 | Expired |
| US7857392B2 | Vehicle seats | Performing Operations; Transporting | 7 | Active |
| US7649687B2 | Reflective screen | Physics | 6 | Active |
| US5893453A | Cassette accommodation case | Physics | 6 | Expired |
| US7922251B2 | Vehicle seats | Performing Operations; Transporting | 5 | Active |
| US5754378A | Tape cassette | Physics | 4 | Expired |
| US8336942B2 | Structure for storing seat for automobile | Performing Operations; Transporting | 4 | Active |
| US8113567B2 | Structure for storing vehicular seat | Performing Operations; Transporting | 3 | Active |
| US5468065A | Molded tape cassette | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5538678A | Method for molding a cassette | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5415537A | Rotary injection molding device for molding a cassette | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5627706A | Cassette half having multi-layer molded construction | Physics | 2 | Expired |
| US5508870A | Cassette having multilayer molded cassette half | Physics | 1 | Expired |
| US5649673A | Cassette half and a tape cassette | Physics | 1 | Expired |
| US5883768A | Recording medium orging pad | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.