Takehiko Ito
32Patents
10h-index
64Co-inventors
78Inventor score
Filing activity: Jul 15, 1974 → Jan 21, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5380692A | Catalyst for catalytic reduction of nitrogen oxide | Emerging Cross-Sectional Technologies | 94 | Expired |
| US5860883A | Power transmission belt | Mechanical Engineering; Lighting; Heating | 35 | Expired |
| US5336476A | Process for removing nitrogen oxides in exhaust gases to nitrogen | Emerging Cross-Sectional Technologies | 24 | Expired |
| US5227145A | Process for removing nitrogen oxides from exhaust gases | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US5882216A | Rotary connector | Electricity | 17 | Expired |
| US3963162A | Method of soldering stainless steel pipes by using soft solders | Performing Operations; Transporting | 14 | Expired |
| US6620068B2 | Power transmission belt | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US6677543B2 | Turn signal switch device for automatically restoring operating lever from operating position to neutral position | Performing Operations; Transporting | 10 | Expired |
| US7386482B2 | Server system for distributing an electromotive power assisted bicycle | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5853679A | Removal of nitrogen oxide from exhaust gas | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US4610937A | Product of and process for preparing Zn-Ni-alloy-electroplated steel sheets excellent in corrosion resistance | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6302716A | Rotatable connector | Performing Operations; Transporting | 9 | Expired |
| US5669777A | Rotary connector | Electricity | 7 | Expired |
| US4064437A | Method for measuring the degree of alloying of galvannealed steel sheets | Physics | 6 | Expired |
| US5888330A | Method and apparatus for producing a power transmission belt | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US6503164B2 | Power transmission belt and method of manufacturing the power transmission belt | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US4237192A | Zinc plated steel plate and can produced from the same | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6962639B2 | Power transmission belt and a method of forming a power transmission belt | Performing Operations; Transporting | 4 | Expired |
| US11971199B2 | Heat generating device and method for generating heat | Emerging Cross-Sectional Technologies | 3 | Active |
| US9782059B2 | Endoscope system | Physics | 2 | Active |
| US6727448B2 | Composite switch unit for vehicle use provided with swingable drive members at both ends in lengthwise direction of box-shaped housing | Performing Operations; Transporting | 2 | Expired |
| US4505760A | Process for partial hot dipping of steel strips | Emerging Cross-Sectional Technologies | 2 | Expired |
| US10441145B2 | Endoscope system | Electricity | 1 | Active |
| US7070529B2 | Power transmission belt | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US6240993A | Method and apparatus for producing a power transmission belt | Mechanical Engineering; Lighting; Heating | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.