Seiji Kikuchi
50Patents
11h-index
70Co-inventors
81Inventor score
Filing activity: Jul 8, 1986 → Dec 2, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5729072A | Stator for an electric motor | Electricity | 85 | Expired |
| US8206351B2 | Administration apparatus for medical use | Human Necessities | 79 | Active |
| US8801679B2 | Medication administering device | Human Necessities | 63 | Active |
| US5900687A | Connection configuration for stator | Electricity | 49 | Expired |
| US6175296A | Potentiometer provided with giant magnetoresistive effect elements | Physics | 35 | Expired |
| US6329818A | Magnetic field sensor having giant magnetoresistive effect elements, manufacturing method and apparatus therefor | Emerging Cross-Sectional Technologies | 34 | Expired |
| US8771233B2 | Medication administering device | Human Necessities | 25 | Active |
| US4714850A | Stepping motor | Electricity | 24 | Expired |
| US6640652B2 | Rotation angle sensor capable of accurately detecting rotation angle | Physics | 19 | Expired |
| US6452382B1 | Encoder provided with giant magnetoresistive effect elements | Physics | 15 | Expired |
| US6191577A | Magnetic sensor exhibiting large change in resistance at low external magnetic field | Physics | 12 | Expired |
| US6900713B2 | Magnetic switch capable of instantaneous switching of an output signal and magnetic sensor | Electricity | 11 | Expired |
| US8784381B2 | Drug injection device with acceleration sensor for detecting abnormal operation | Human Necessities | 10 | Active |
| US9149582B2 | Administration apparatus for medical use | Human Necessities | 8 | Active |
| US7733029B2 | Lighting device and a lighting method for a high pressure discharge lamp | Emerging Cross-Sectional Technologies | 7 | Active |
| US5532731A | Method and apparatus for adjusting image forming positions to allow plural images to be formed on plural recording sheets | Electricity | 7 | Expired |
| US9289551B2 | Pharmaceutical injection device | Human Necessities | 7 | Active |
| US9943647B2 | Pharmaceutical injection device, method for controlling pharmaceutical injection device, and recording medium | Human Necessities | 6 | Active |
| US11058817B2 | Administration apparatus for medical use | Human Necessities | 5 | Active |
| US8181779B2 | Puncture instrument set and puncture needle disposal instrument | Human Necessities | 5 | Active |
| US10155086B2 | Administration apparatus for medical use | Human Necessities | 5 | Active |
| US6920684B2 | Assembling method for producing a magnetic sensor with high output accuracy | Emerging Cross-Sectional Technologies | 4 | Expired |
| US9623180B2 | Pharmaceutical injection system | Human Necessities | 4 | Active |
| US9155835B2 | Medicament dispensing device | Human Necessities | 4 | Active |
| US7344684B2 | Exhaust emission purifying catalyst device | Emerging Cross-Sectional Technologies | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.