Tomoaki Abe
66Patents
18h-index
109Co-inventors
87Inventor score
Filing activity: Dec 8, 1982 → Aug 3, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6995510B2 | Light-emitting unit and method for producing same as well as lead frame used for producing light-emitting unit | Electricity | 270 | Expired |
| US4817576A | Vaporized fuel control apparatus for internal combustion engines | Mechanical Engineering; Lighting; Heating | 89 | Expired |
| US4919103A | Device for controlling evaporative emission from a fuel tank | Mechanical Engineering; Lighting; Heating | 74 | Expired |
| US4854283A | Throttle valve control apparatus | Mechanical Engineering; Lighting; Heating | 71 | Expired |
| US5963234A | Laminated ink jet recording head having flow path unit with recess that confronts but does not communicate with common ink chamber | Performing Operations; Transporting | 70 | Expired |
| US5748214A | Ink jet recording head | Performing Operations; Transporting | 57 | Expired |
| US5446485A | Drop-on-demand ink-jet printing head | Performing Operations; Transporting | 56 | Expired |
| US5881649A | Magnetic transfer system, power transmission mechanism of the magnetic transfer system, and rotational driving member used for the system | Electricity | 45 | Expired |
| US5856837A | Ink jet recording head with vibrating element having greater width than drive electrode | Emerging Cross-Sectional Technologies | 36 | Expired |
| US7317181B2 | Light-emitting unit and method for producing same as well as lead frame used for producing light-emitting unit | Electricity | 35 | Expired |
| US5444471A | Drop-on-demand ink-jet printing head | Performing Operations; Transporting | 33 | Expired |
| US5510816A | Method and apparatus for driving ink jet recording head | Performing Operations; Transporting | 29 | Expired |
| US5521619A | Ink jet type recording apparatus that controls into meniscus vibrations | Performing Operations; Transporting | 27 | Expired |
| US5956829A | Method of manufacturing an ink jet recording head | Performing Operations; Transporting | 24 | Expired |
| US5159990A | Wheel slippage control apparatus in motor vehicle | Performing Operations; Transporting | 24 | Expired |
| US4838226A | Apparatus for controlling intake air flow rate in internal combustion engine | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US5018595A | Traction control system | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US6502929B1 | Laminated ink jet recording head having a plurality of actuator units | Performing Operations; Transporting | 18 | Expired |
| US4578996A | Gas-flow measuring apparatus and method | Physics | 18 | Expired |
| US5600357A | Drop-on-demand ink-jet printing head | Performing Operations; Transporting | 17 | Expired |
| US6334673B1 | Ink jet print head with plural electrodes | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4565091A | Apparatus for measuring the quantity of airflow passing through an intake passage of an engine | Physics | 14 | Expired |
| US5929881A | Ink jet recording head having improved arrangement of electrodes | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4850325A | Fault detection system for internal combustion engine control apparatus | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US7354045B2 | Oil ring | Mechanical Engineering; Lighting; Heating | 13 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.