Hiroyuki Miyazawa
24Patents
13h-index
58Co-inventors
84Inventor score
Filing activity: Oct 3, 1985 → Feb 19, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5237187A | Semiconductor memory circuit device and method for fabricating same | Electricity | 44 | Expired |
| US5734188A | Semiconductor integrated circuit, method of fabricating the same and apparatus for fabricating the same | Electricity | 37 | Expired |
| US5045904A | Semiconductor device including an improved trench arrangement | Electricity | 33 | Expired |
| US4962052A | Method for producing semiconductor integrated circuit device | Electricity | 32 | Expired |
| US6043118A | Semiconductor memory circuit device and method for fabricating a semiconductor memory device circuit | Electricity | 30 | Expired |
| US5651827A | Single-wafer heat-treatment apparatus and method of manufacturing reactor vessel used for same | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5389558A | Method of making a semiconductor memory circuit device | Electricity | 27 | Expired |
| US5576884A | Base body of reflecting mirror and method for preparing the same | Emerging Cross-Sectional Technologies | 24 | Expired |
| US5917211A | Semiconductor integrated circuit, method of fabricating the same and apparatus for fabricating the same | Electricity | 21 | Expired |
| US5264712A | Semiconductor integrated circuit, method of fabricating the same and apparatus for fabricating the same | Electricity | 21 | Expired |
| US5081515A | Semiconductor integrated circuit device | Electricity | 20 | Expired |
| US5268587A | Semiconductor integrated circuit device including a dielectric breakdown prevention circuit | Electricity | 17 | Expired |
| US4612565A | Semiconductor memory device | Electricity | 14 | Expired |
| US5640282A | Base body of reflecting mirror and method for preparing the same | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5631182A | Method of making a semiconductor memory circuit device | Electricity | 11 | Expired |
| US6280522A | Quartz glass crucible for pulling silicon single crystal and production process for such crucible | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4921815A | Method of producing a semiconductor memory device having trench capacitors | Electricity | 9 | Expired |
| US6991150B2 | Method of build up welding to thin-walled portion | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5617262A | Base body of reflecting mirror and method for preparing the same | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6511365B2 | Lapping machine | Physics | 5 | Expired |
| US5968259A | High-purity quartz glass and method for the preparation thereof | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5877027A | Method for the analysis of impurity contents in silicon dioxide | Emerging Cross-Sectional Technologies | 4 | Expired |
| US8479385B2 | Method of producing wiring substrate | Emerging Cross-Sectional Technologies | 2 | Active |
| US11895946B2 | Reciprocating mower unit, system and methods | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.