Takayuki Koizumi
22Patents
6h-index
39Co-inventors
69Inventor score
Filing activity: Apr 14, 1977 → Apr 1, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4366544A | Judging system for detecting failure of machine | Physics | 1,051 | Expired |
| US4493042A | Bearing failure judging apparatus | Physics | 71 | Expired |
| US4896165A | Module for expandable structure and expandable structure employing said module | Electricity | 23 | Expired |
| US4165458A | Signal decision system | Physics | 21 | Expired |
| US7557483B2 | Rotating electrical machine and manufacturing method thereof | Electricity | 9 | Active |
| US5243803A | Module for expandable framework structure and expandable framework structure employing said module | Performing Operations; Transporting | 7 | Expired |
| US9735659B2 | Electric rotating machine having a thermistor in a gap between U-shaped and odd-shaped coil ends | Electricity | 6 | Active |
| US6464070B1 | Linear conveyor and method for controlling the same | Performing Operations; Transporting | 5 | Expired |
| US8203240B2 | Liquid cooled rotating electrical machine | Emerging Cross-Sectional Technologies | 5 | Active |
| US7659651B2 | Rotating electric machine, winding machine, and rotating electric machine system | Emerging Cross-Sectional Technologies | 4 | Active |
| US11245299B2 | Stator for rotary electric machine and rotary electric machine using same | Electricity | 3 | Active |
| US7764042B2 | Inverter-driven rotating machine system, rotating machine and inverter used in the same and electric vehicle using the same | Emerging Cross-Sectional Technologies | 3 | Active |
| US10566854B2 | Rotating electric machine | Electricity | 2 | Active |
| US10868448B2 | Dynamo-electric machine and vehicle | Electricity | 2 | Active |
| US10439461B2 | Rotary electric machine having insulator material filled between conductive bodies | Electricity | 1 | Active |
| US10523073B2 | Rotating electric machine and method of manufacturing same | Electricity | 1 | Active |
| US9304082B2 | Information acquiring apparatus and information acquiring method for acquiring information on specimen by using terahertz wave | Physics | 1 | Active |
| US11811284B2 | Stator for rotary electric machine and rotary electric machine using same | Electricity | 0 | Active |
| US12021423B2 | Dynamo-electrical machine | Electricity | 0 | Active |
| US12160150B2 | Rotary electrical machine | Emerging Cross-Sectional Technologies | 0 | Active |
| US9722126B2 | Photoconductive device, measurement apparatus, and manufacturing method | Emerging Cross-Sectional Technologies | 0 | Active |
| US10727709B2 | Rotor of rotary electrical machine, rotary electrical machine, and vehicle | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.