Hideaki Ishimizu
24Patents
9h-index
21Co-inventors
71Inventor score
Filing activity: Jun 19, 1985 → Oct 16, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4930915A | Printer having means for identifying print head type | Performing Operations; Transporting | 45 | Expired |
| US5196994A | Card type integrated circuit and respective 8/16-bit card connector | Physics | 44 | Expired |
| US5039237A | Dot matrix print head drive method | Performing Operations; Transporting | 18 | Expired |
| US5474391A | Print gap setting in an impact printer | Performing Operations; Transporting | 16 | Expired |
| US4857005A | IC card connecting mechanism | Electricity | 16 | Expired |
| US6398331B1 | Apparatus for driving a printhead and method of driving the printhead | Performing Operations; Transporting | 15 | Expired |
| US5439302A | Self-adjusting controller for dot impact printer | Performing Operations; Transporting | 12 | Expired |
| US4645277A | Connector for connecting boards | Electricity | 9 | Expired |
| US5450288A | Printed substrate for mounting high-power semiconductor chip thereon and driver component making use of the printed substrate | Electricity | 9 | Expired |
| US4940343A | Wire-dot print head driving apparatus | Performing Operations; Transporting | 8 | Expired |
| US5326183A | Carriage speed control based on average dot density | Performing Operations; Transporting | 8 | Expired |
| US5064302A | Temperature control in a wire dot printer | Performing Operations; Transporting | 7 | Expired |
| US5039238A | Dot-matrix printer with impact force determination | Performing Operations; Transporting | 6 | Expired |
| US5518323A | Method of adjusting a head gap for a wire dot impact printer | Performing Operations; Transporting | 6 | Expired |
| US5311403A | Printed substrate for mounting high-power semiconductor chip thereon and driver component making use of the printed substrate | Electricity | 4 | Expired |
| US5087134A | Method of and device for printer control | Performing Operations; Transporting | 4 | Expired |
| US6539183B2 | Image forming apparatus for normal and thick print media | Physics | 3 | Expired |
| US5030020A | Wire-dot impact printer having means for detecting displacement of individual print wires | Performing Operations; Transporting | 3 | Expired |
| US5071268A | Wire-dot print head driving apparatus having sensing coils | Performing Operations; Transporting | 3 | Expired |
| US5482387A | Dot print head and method of control over printing therewith | Performing Operations; Transporting | 3 | Expired |
| US4869605A | Wire-dot printing head with adjustable spring force | Performing Operations; Transporting | 2 | Expired |
| US5651621A | Wire dot print head with print wires fixed to tip portions of armatures differentiated in resiliency | Performing Operations; Transporting | 2 | Expired |
| US5310271A | Solenoid actuator | Performing Operations; Transporting | 1 | Expired |
| US4778292A | Dot print head with restrained rebound of armature | Performing Operations; Transporting | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.