Akihiro Matsuda
52Patents
13h-index
76Co-inventors
87Inventor score
Filing activity: Aug 4, 1994 → Oct 21, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5624864A | Semiconductor device having capacitor and manufacturing method thereof | Emerging Cross-Sectional Technologies | 51 | Expired |
| US6143597A | Method of manufacturing capacitor included in semiconductor device and the capacitor thereof | Electricity | 38 | Expired |
| US5837591A | Method of manufacturing a semiconductor device | Electricity | 36 | Expired |
| US6817724B2 | Triangular pyramidal cube corner retroreflection element | Emerging Cross-Sectional Technologies | 33 | Expired |
| US5661319A | Semiconductor device having capacitor | Electricity | 29 | Expired |
| US5627391A | Semiconductor device and method of manufacturing the same | Electricity | 27 | Expired |
| US5780351A | Semiconductor device having capacitor and manufacturing method thereof | Emerging Cross-Sectional Technologies | 24 | Expired |
| US7820607B2 | Viscosity modifier for lubricating oils, additive composition for lubricating oils, and lubricating oil compositions | Chemistry; Metallurgy | 24 | Expired |
| US5591663A | Method of manufacturing ferroelectric capacitor with a hydrogen heat treatment | Electricity | 24 | Expired |
| US6568817B1 | Retroreflecting sheet having printed layer | Performing Operations; Transporting | 18 | Expired |
| US5717233A | Semiconductor device having capacitior and manufacturing method thereof | Electricity | 16 | Expired |
| US5644158A | Semiconductor memory device reducing hydrogen content | Electricity | 16 | Expired |
| US6239462A | Semiconductor capacitive device having improved anti-diffusion properties and a method of making the same | Electricity | 13 | Expired |
| US6169304A | Semiconductor device having a passivation layer which minimizes diffusion of hydrogen into a dielectric layer | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6046490A | Semiconductor device having a capacitor dielectric element and wiring layers | Electricity | 11 | Expired |
| US6495709B1 | Liquid precursors for aluminum oxide and method making same | Chemistry; Metallurgy | 10 | Expired |
| US6333528A | Semiconductor device having a capacitor exhibiting improved moisture resistance | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6320214A | Semiconductor device having a ferroelectric TFT and a dummy element | Electricity | 10 | Expired |
| US5943568A | Method of making a semiconductor device | Electricity | 10 | Expired |
| US6911486B2 | Fluorescent retroreflective sheet | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6174213A | Fluorescent lamp and method of manufacturing same | Chemistry; Metallurgy | 8 | Expired |
| US7915358B2 | Copolymer, production process thereof, lubricating oil viscosity modifier, and lubricating oil composition | Chemistry; Metallurgy | 8 | Active |
| US8188191B2 | Polyolefin polymer containing vinyl groups at both ends and composition thereof | Emerging Cross-Sectional Technologies | 7 | Active |
| US6080617A | Semiconductor device having capacitor and manufacturing method thereof | Electricity | 7 | Expired |
| US6447838B1 | Integrated circuit capacitors with barrier layer and process for making the same | Emerging Cross-Sectional Technologies | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.