Koji Hikawa
14Patents
10h-index
11Co-inventors
69Inventor score
Filing activity: Nov 15, 1979 → Oct 17, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD327967S | Serving cart | General | 48 | Expired |
| USD328171S | Cabinet | General | 34 | Expired |
| USD278435S | I/O Terminal for data communication | General | 34 | Expired |
| US5717843A | Image recording apparatus | Electricity | 26 | Expired |
| US5602651A | Image recording apparatus | Electricity | 24 | Expired |
| US5774232A | Image recording apparatus | Electricity | 23 | Expired |
| US6717807B2 | Cooling structure for electronic circuit unit | Electricity | 22 | Expired |
| USD318485S | Electrostatic copying machine | General | 19 | Expired |
| USD327966S | Serving cart with refrigerator | General | 13 | Expired |
| USD306165S | Telephone set | General | 11 | Expired |
| USD312653S | Electrostatic copying machine | General | 8 | Expired |
| USD308694S | Laser printer | General | 5 | Expired |
| USD261770S | Electrostatic copier | General | 2 | Expired |
| USD307298S | Portable copier | General | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.