Kenichi Ito
116Patents
14h-index
219Co-inventors
89Inventor score
Filing activity: Oct 8, 1975 → Oct 9, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5865342A | Medication filling apparatus | Physics | 59 | Expired |
| US6710694B2 | Coil device | Electricity | 46 | Expired |
| US4544838A | Method and apparatus for detecting tracking error | Physics | 34 | Expired |
| US4425636A | Method and apparatus for reproducing optically an information recorded on a record medium along tracks | Physics | 30 | Expired |
| US6823535B2 | Tankless western-style flush toilet including control portion | Fixed Constructions | 27 | Expired |
| US4422168A | Method and apparatus for detecting a focussing condition of an objective lens | Physics | 27 | Expired |
| US5090001A | Information recording/reproducing apparatus | Physics | 27 | Expired |
| US4423495A | Method and apparatus for recording optically an information signal on a record medium along tracks | Physics | 26 | Expired |
| US6675399B1 | Tankless toilet, western-style flush toilet, private part washing device and spud for flush toilet | Fixed Constructions | 21 | Expired |
| US4455085A | Method and apparatus for detecting a focussing condition of an objective lens | Physics | 20 | Expired |
| US7517721B2 | Linear actuator and apparatus utilizing the same | Electricity | 19 | Active |
| US4453239A | Method and apparatus for controlling the focusing and tracking of a light beam using a main and secondary light beam in association with multiple detectors | Physics | 19 | Expired |
| US4505584A | Method and apparatus for detecting focussing error signal of objective lens | Physics | 16 | Expired |
| US5022021A | Apparatus for detecting moving direction of light beam spot illuminated on optical information recording medium having tracks | Physics | 15 | Expired |
| US7016195B2 | Cooling fluid pump and electric apparatus, such as personal computer, provided with the pump | Physics | 14 | Expired |
| US5742568A | Tracking controller and seek controller for optical recording device | Physics | 13 | Expired |
| US7069604B2 | Tankless western-style flush toilet | Fixed Constructions | 13 | Expired |
| US6776182B2 | Sealing structure of stop valve | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5712855A | Apparatus for testing and measuring electronic device and method of calibrating its timing and voltage level | Physics | 12 | Expired |
| US5597252A | Cosmetic container | Human Necessities | 12 | Expired |
| US7371056B2 | Fluid pump, cooling system and electrical appliance | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US4726685A | Optical measuring device for detecting surface characteristics of object | Physics | 11 | Expired |
| US5872826A | Fuel assembly channel box having burnable poison | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5180527A | Nuclear fuel pellets | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4525825A | Method and apparatus for detecting focussing and tracking error signals | Physics | 10 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.