Toshihiro Kitahara
34Patents
11h-index
34Co-inventors
75Inventor score
Filing activity: Nov 2, 1984 → Jan 30, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4688131A | Information processing apparatus having locking means permitting ready detachment of the magnetic disk drive assembly | Physics | 43 | Expired |
| US6578945B2 | Printer for printing by discharging ink droplets from a plurality of nozzles, and whose ink discharge surface can be easily recovered | Performing Operations; Transporting | 42 | Expired |
| US6515734B1 | Exposure apparatus | Electricity | 29 | Expired |
| US6672705B2 | Printer | Performing Operations; Transporting | 28 | Expired |
| US5332890A | Hybrid card and its recording/reproducing apparatus | Physics | 24 | Expired |
| US4604666A | Data transfer apparatus for use with a magnetic disk cartridge | Physics | 24 | Expired |
| US5179504A | Shutter mechanism undergoing rotational and translational movements for use in recording medium and/or reproducing apparatus using card-like medium | Physics | 23 | Expired |
| USD574961S1 | Medical device for ultrasonic observation | General | 23 | Expired |
| US5466914A | Recording-reproducing apparatus with a mechanism for preventing successive insertion of two cards | Physics | 16 | Expired |
| US4924199A | Optical card for data storage for use in a data recording and retrieving apparatus | Physics | 15 | Expired |
| US6964468B2 | Printer | Performing Operations; Transporting | 11 | Expired |
| US6519824B2 | Electric wiring forming system | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5514856A | Hybrid card having IC chip and optical/magnetic recording region thereon | Physics | 11 | Expired |
| US5017764A | Apparatus for driving card-like record medium | Physics | 10 | Expired |
| US7069057B2 | Cellular phone including a display revealed by removing a removable operation unit | Electricity | 8 | Expired |
| US7425060B2 | Sealing mechanism of ink channel | Performing Operations; Transporting | 7 | Expired |
| US4918415A | Data reading and/or writing apparatus for use with an optical card | Physics | 7 | Expired |
| US7077501B2 | Method of assembling ink jet head unit | Performing Operations; Transporting | 6 | Expired |
| US5821515A | Information recording and reproducing apparatus | Physics | 5 | Expired |
| US5264686A | Information recording/reproducing apparatus for an information recording card | Physics | 5 | Expired |
| US5179267A | Data reading and/or writing apparatus of type using optical card | Physics | 5 | Expired |
| US6595819B1 | Equipment for fabricating partitioning ribs of plasma display device | Electricity | 5 | Expired |
| US7165826B2 | Image forming apparatus | Performing Operations; Transporting | 5 | Expired |
| US4709283A | Recording disk centering and clamping apparatus | Physics | 5 | Expired |
| US6902254B2 | Printer system which uses a plurality of print heads and which controls the print heads with a simple configuration to achieve high accuracy image printing | Performing Operations; Transporting | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.