Takeshi Itoh
61Patents
12h-index
72Co-inventors
87Inventor score
Filing activity: Mar 2, 1976 → Jan 15, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4870333A | Automatic opening and closing device for a window | Physics | 55 | Expired |
| US4074232A | Data sending and receiving system for packet switching network | Electricity | 51 | Expired |
| US5097674A | Air conditioning apparatus | Emerging Cross-Sectional Technologies | 27 | Expired |
| US4352899A | Coating composition for metal-substrate | Chemistry; Metallurgy | 23 | Expired |
| US6056989A | PH adjustors and drinks using the same | Human Necessities | 21 | Expired |
| US5495371A | Magnetic tape library device and method for maintaining magnetic recording and reproducing device and magnetic head | Physics | 20 | Expired |
| US5370714A | Method of cultivating mushrooms and woody culture medium therefor | Human Necessities | 19 | Expired |
| US7284794B2 | Vehicle seat | Performing Operations; Transporting | 19 | Expired |
| US9065365B2 | Control device of AC motor | Electricity | 14 | Active |
| US4480931A | Electronic typewriter | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4689357A | Vibration isolator | Emerging Cross-Sectional Technologies | 14 | Expired |
| US7234769B2 | Vehicle seat | Performing Operations; Transporting | 14 | Expired |
| US7044545B2 | Vehicle seat | Performing Operations; Transporting | 12 | Expired |
| US5029451A | Air conditioning apparatus | Emerging Cross-Sectional Technologies | 12 | Expired |
| US9028614B2 | Substrate processing apparatus | Electricity | 12 | Active |
| US7017989B2 | Vehicular seat including forward movable headrest | Performing Operations; Transporting | 11 | Expired |
| US8269439B2 | Drive controller and drive control method for electric motor | Electricity | 10 | Active |
| US5532638A | Superconducting energy storage apparatus | Emerging Cross-Sectional Technologies | 10 | Expired |
| US8148937B2 | Alternating-current motor control apparatus | Electricity | 6 | Active |
| US6351071B1 | Magnetron apparatus and manufacturing method therefor | Electricity | 5 | Expired |
| US8884564B2 | Voltage converter and voltage converter system including voltage converter | Emerging Cross-Sectional Technologies | 5 | Active |
| US8253356B2 | Vehicle control system | Emerging Cross-Sectional Technologies | 5 | Active |
| US8810176B2 | Converter control device for vehicle | Electricity | 4 | Active |
| US9590551B2 | Control apparatus for AC motor | Electricity | 3 | Active |
| US8052571B2 | Control device and control method for hybrid vehicle | Emerging Cross-Sectional Technologies | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.