Takahiro Maruyama
55Patents
8h-index
89Co-inventors
81Inventor score
Filing activity: Aug 3, 1990 → Oct 12, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6232209A | Semiconductor device and manufacturing method thereof | Electricity | 34 | Expired |
| US5435886A | Method of plasma etching | Electricity | 28 | Expired |
| US5399830A | Plasma treatment apparatus | Electricity | 21 | Expired |
| US5474615A | Method for cleaning semiconductor devices | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5318654A | Apparatus for cleaning a substrate with metastable helium | Electricity | 15 | Expired |
| US6656849B2 | Plasma reactor | Electricity | 15 | Expired |
| US6096995A | Heating roller for fixing | Physics | 14 | Expired |
| US5223085A | Plasma etching method with enhanced anisotropic property and apparatus thereof | Electricity | 10 | Expired |
| US6252199A | Heating roller for fixing | Physics | 7 | Expired |
| US5147465A | Method of cleaning a surface | Electricity | 6 | Expired |
| US10293842B2 | On-board device, signaling system, and control method of moving vehicle | Emerging Cross-Sectional Technologies | 5 | Active |
| US9263320B2 | Method of manufacturing semiconductor device | Electricity | 5 | Active |
| US8334054B2 | Heat conductive cured product and making method | Emerging Cross-Sectional Technologies | 5 | Active |
| US5038013A | Plasma processing apparatus including an electromagnet with a bird cage core | Electricity | 5 | Expired |
| US6471821B2 | Plasma reactor and method | Electricity | 4 | Expired |
| US6651678B2 | Method of manufacturing semiconductor device | Electricity | 3 | Expired |
| US8324535B2 | Brazing structure, ceramic heater, and glow plug | Emerging Cross-Sectional Technologies | 3 | Active |
| US9947679B2 | Method of manufacturing semiconductor device with separately formed insulating films in main circuit and memory regions | Electricity | 3 | Active |
| US7989283B2 | Manufacturing method of semiconductor device | Electricity | 2 | Active |
| US8536005B2 | Semiconductor integrated circuit device and manufacturing method thereof | Electricity | 2 | Active |
| US7453222B2 | Sun roof drive device | Electricity | 2 | Expired |
| US9884635B2 | Signaling system and door control method | Fixed Constructions | 2 | Active |
| US10676587B2 | Heat conductive sheet | Chemistry; Metallurgy | 1 | Active |
| US10349545B2 | Circuit unit | Electricity | 1 | Active |
| US10529630B2 | Method of manufacturing semiconductor device | Electricity | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.