Hiroshi Ikegami
57Patents
10h-index
89Co-inventors
81Inventor score
Filing activity: Apr 10, 1981 → May 26, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5699882A | Pad clip for disc brake | Mechanical Engineering; Lighting; Heating | 44 | Expired |
| US6720522B2 | Apparatus and method for laser beam machining, and method for manufacturing semiconductor devices using laser beam machining | Performing Operations; Transporting | 32 | Expired |
| US4741580A | Anti-skid control system for motor vehicle | Performing Operations; Transporting | 22 | Expired |
| US4440583A | Method of controlled cooling for steel strip | Chemistry; Metallurgy | 21 | Expired |
| US6659510B1 | Pipe-end-connecting joint | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6468067B1 | Composite extruding apparatus of rubber and method of extruding unvulcanized rubber | Performing Operations; Transporting | 18 | Expired |
| US6709966B1 | Semiconductor device, its manufacturing process, position matching mark, pattern forming method and pattern forming device | Electricity | 17 | Expired |
| US6209929A | Connector for mounting a spiral pipe onto a wall member | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5813936A | Driving force controller in vehicle for forcibly upshifting in response to a driving force traction controller and a vehicle stopped detection means | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US5657837A | Caliper support mechanism | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US6475285B2 | Deposition apparatus | Performing Operations; Transporting | 9 | Expired |
| US6730447B2 | Manufacturing system in electronic devices | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5184695A | Method for controlling a change-over between two and four-wheel drive modes for a vehicle | Performing Operations; Transporting | 9 | Expired |
| US4379547A | Continuous cold rolling and annealing apparatus for steel strip | Chemistry; Metallurgy | 8 | Expired |
| US5497817A | Method for continuously annealing steel strip | Chemistry; Metallurgy | 7 | Expired |
| US7067897B2 | Semiconductor device | Electricity | 7 | Expired |
| US6376894B1 | Semiconductor device | Electricity | 7 | Expired |
| US7288466B2 | Processing method, manufacturing method of semiconductor device, and processing apparatus | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6250339A | Sound-absorbing and heat-insulating duct | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US4982348A | Method for determining vehicle speed during acceleration of a four-wheel drive vehicle | Performing Operations; Transporting | 5 | Expired |
| US4388169A | Apparatus for surface treatment of a steel strip | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5261678A | Dust-proof boot and method for mounting the same | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US6566261B2 | Semiconductor device and method of manufacturing the same | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6437184B1 | Oxime compounds, their use, and intermediates for their production | Chemistry; Metallurgy | 5 | Expired |
| US7124858B2 | Brake system | Performing Operations; Transporting | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.