Kenichi Koyanagi
25Patents
6h-index
29Co-inventors
65Inventor score
Filing activity: Mar 21, 1996 → Feb 10, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6191002A | Method of forming trench isolation structure | Electricity | 47 | Expired |
| US6033990A | Method for manufacturing a multilevel interconnection structure | Electricity | 28 | Expired |
| US6346302B2 | High density plasma enhanced chemical vapor deposition method | Electricity | 26 | Expired |
| US7256144B2 | Method for forming a metal oxide film | Electricity | 23 | Expired |
| US6005291A | Semiconductor device and process for production thereof | Electricity | 23 | Expired |
| US8880216B2 | Picking system | Emerging Cross-Sectional Technologies | 23 | Active |
| US8574998B2 | Leakage reduction in DRAM MIM capacitors | Electricity | 5 | Active |
| US5891234A | Spin on glass material and method for forming a semiconductor device by using improved spin on glass material | Chemistry; Metallurgy | 5 | Expired |
| US8880217B2 | Picking system | Physics | 5 | Active |
| US7771535B2 | Semiconductor manufacturing apparatus | Chemistry; Metallurgy | 5 | Active |
| US8415227B2 | High performance dielectric stack for DRAM capacitor | Electricity | 4 | Active |
| US6509200B2 | Method of appraising a dielectric film, method of calibrating temperature of a heat treatment device, and method of fabricating a semiconductor memory device | Electricity | 4 | Expired |
| US6187693A | Heat treatment of a tantalum oxide film | Electricity | 4 | Expired |
| US7576016B2 | Process for manufacturing semiconductor device | Electricity | 3 | Active |
| US8476141B2 | High performance dielectric stack for DRAM capacitor | Electricity | 3 | Active |
| US8606400B2 | Robot system | Emerging Cross-Sectional Technologies | 3 | Active |
| US8546236B2 | High performance dielectric stack for DRAM capacitor | Electricity | 3 | Active |
| US7224016B2 | Memory with memory cells that include a MIM type capacitor with a lower electrode made for reduced resistance at an interface with a metal film | Electricity | 2 | Expired |
| US8541283B2 | High performance dielectric stack for DRAM capacitor | Electricity | 2 | Active |
| US9178006B2 | Methods to improve electrical performance of ZrO2 based high-K dielectric materials for DRAM applications | Electricity | 1 | Active |
| US6939760B2 | Method for semiconductor device manufacturing to include multistage chemical vapor deposition of material oxide film | Electricity | 1 | Expired |
| US7741173B2 | Method for forming a metal oxide film | Electricity | 1 | Active |
| US7763500B2 | Method for manufacturing semiconductor storage device comprising a slow cooling step | Electricity | 0 | Active |
| US7303973B2 | ALD process for capacitor dielectric | Electricity | 0 | Expired |
| US8277891B2 | Method for suppressing particle generation during semiconductor manufacturing | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.