Ryozo Takeuchi
25Patents
9h-index
37Co-inventors
75Inventor score
Filing activity: Apr 6, 1976 → Oct 7, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5483630A | Method and apparatus for representing motion of multiple-jointed object, computer graphic apparatus, and robot controller | Physics | 156 | Expired |
| US5267154A | Biological image formation aiding system and biological image forming method | Emerging Cross-Sectional Technologies | 91 | Expired |
| US4888648A | Electronic album | Emerging Cross-Sectional Technologies | 91 | Expired |
| US6005589A | Method and apparatus for representing motion of multiple-jointed object, computer graphic apparatus, and robot controller | Physics | 58 | Expired |
| US5404426A | Method of displaying hair style and apparatus for the same | Physics | 56 | Expired |
| US5870096A | Method and apparatus for displaying images | Physics | 16 | Expired |
| US5680532A | Method and apparatus for producing animation image | Physics | 12 | Expired |
| US7236569B2 | X-ray tube | Electricity | 11 | Expired |
| US6337616B1 | Ignition coil for internal-combustion engine | Electricity | 10 | Expired |
| US7557483B2 | Rotating electrical machine and manufacturing method thereof | Electricity | 9 | Active |
| US6504110B1 | Insulating circuit board and power semiconductor apparatus employing the same | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4590489A | Thermal head | Performing Operations; Transporting | 9 | Expired |
| US6213109A | Ignition coil for use in internal combustion engine | Electricity | 8 | Expired |
| US6008818A | Method and apparatus for producing animation image | Physics | 7 | Expired |
| US6237578A | Ignition coil for use in internal combustion engine | Electricity | 4 | Expired |
| US7250766B2 | Gradient coil apparatus for magnetic resonance imaging system | Physics | 4 | Active |
| US8280006B2 | X-ray tube | Electricity | 1 | Active |
| US7777194B2 | Charged particle beam apparatus | Electricity | 1 | Active |
| US8067907B2 | Charged particle accelerator | Electricity | 1 | Active |
| US4145101A | Method for manufacturing gas insulated electrical apparatus | Electricity | 0 | Expired |
| US6649847B2 | Resin block insulating system | Electricity | 0 | Expired |
| US7355127B2 | Printed wiring board and electronic device using the same | Electricity | 0 | Expired |
| US6791182B2 | Semiconductor device | Electricity | 0 | Expired |
| US6730255B2 | Method of manufacture of resin block | Electricity | 0 | Expired |
| US8659243B2 | Charged particle accelerator | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.