Ichiro Yamamoto
55Patents
9h-index
74Co-inventors
81Inventor score
Filing activity: Apr 11, 1984 → Jul 19, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6040331A | Nerve cell protective agents | Chemistry; Metallurgy | 63 | Expired |
| US6903398B2 | Semiconductor device and method for manufacturing same | Electricity | 26 | Expired |
| US5923089A | Efficient routing method and resulting structure for integrated circuits | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6710060B2 | 4-hydroxypiperidine derivatives having antiarrhythmic activity | Chemistry; Metallurgy | 14 | Expired |
| US5270592A | Clock supply circuit layout in a circuit area | Electricity | 13 | Expired |
| US6710407B2 | Semiconductor device having smooth refractory metal silicide layers and process for fabrication thereof | Electricity | 11 | Expired |
| US5767011A | Fabrication method for integrated circuits | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6368913B1 | Method of manufacturing a semiconductor device and a semiconductor device | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6936901B2 | Semiconductor device and method for manufacturing same | Electricity | 10 | Expired |
| US5408589A | Print device capable of controlling initialization of a data storage device | Physics | 9 | Expired |
| US6642257B2 | Agents for treating neuropathic pain | Chemistry; Metallurgy | 8 | Expired |
| US7109649B2 | Organic electroluminescent color display unit | Electricity | 8 | Expired |
| US7812521B2 | White light-emitting organic electroluminescence (EL) device and method of adjusting chromaticity of the device | Electricity | 7 | Active |
| US7307303B2 | Semiconductor device and method for manufacturing same | Electricity | 7 | Expired |
| US6232178A | Method for manufacturing capacitive element | Emerging Cross-Sectional Technologies | 6 | Expired |
| US7125765B2 | Semiconductor device and method for manufacturing same | Electricity | 6 | Expired |
| US6696719B2 | Semiconductor device with improved peripheral resistance element and method for fabricating same | Electricity | 5 | Expired |
| US6630393B2 | Semiconductor device manufacturing method and semiconductor device manufacturing by the same method | Electricity | 5 | Expired |
| US7854998B2 | Organic EL devices | Electricity | 5 | Active |
| US5151431A | 4,5-dihydro-6H-imidazo[4,5,1-ij]quinolin-6-one-6-oxime-O-sulfonic acid derivatives useful for treating hypertension or edema | Human Necessities | 5 | Expired |
| US6271085A | Method for forming a bottom electrode of a storage capacitor | Electricity | 5 | Expired |
| US6146972A | Method for fabricating semiconductor device | Electricity | 5 | Expired |
| US6413833B2 | Method for forming a CVD silicon film | Electricity | 4 | Expired |
| US7524723B2 | Semiconductor device and method for manufacturing same | Electricity | 4 | Active |
| US9822683B2 | Exhaust gas purification system for internal combustion engine | Emerging Cross-Sectional Technologies | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.