Ken Kitahara
27Patents
4h-index
32Co-inventors
63Inventor score
Filing activity: Mar 6, 2002 → Feb 16, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7234870B2 | Plain bearing | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US9133063B2 | Composite crucible, method of manufacturing the same, and method of manufacturing silicon crystal | Emerging Cross-Sectional Technologies | 8 | Active |
| US6648513B2 | Plain bearing | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US7572060B2 | Sliding bearing | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US9863061B2 | Vitreous silica crucible and method for manufacturing the same | Emerging Cross-Sectional Technologies | 1 | Active |
| US10024784B2 | Vitreous silica crucible and evaluation method of the same | Physics | 1 | Active |
| US9809902B2 | Method for evaluating silica glass crucible, method for producing silicon single crystals | Physics | 1 | Active |
| US9932692B2 | Vitreous silica crucible | Emerging Cross-Sectional Technologies | 1 | Active |
| US9758901B2 | Vitreous silica crucible for pulling of silicon single crystal and method for manufacturing the same | Emerging Cross-Sectional Technologies | 1 | Active |
| US8936684B2 | Vitreous silica crucible | Emerging Cross-Sectional Technologies | 0 | Active |
| US9708730B1 | Quality-evaluated vitreous silica crucible | Physics | 0 | Active |
| US9557276B2 | Inspection method of vitreous silica crucible | Physics | 0 | Active |
| US9266763B2 | Composite crucible and method of manufacturing the same | Emerging Cross-Sectional Technologies | 0 | Active |
| US9758900B2 | Silica glass crucible | Emerging Cross-Sectional Technologies | 0 | Active |
| US9863059B2 | Method for pulling silicon single crystal | Chemistry; Metallurgy | 0 | Active |
| US12392050B2 | Infrared transmissivity measurement method of quartz glass crucible | Emerging Cross-Sectional Technologies | 0 | Active |
| US10243329B2 | External resonator laser | Electricity | 0 | Active |
| US9810526B2 | Method for measuring three-dimensional shape of silica glass crucible, and method for producing monocrystalline silicon | Electricity | 0 | Active |
| US9527763B2 | Method of manufacturing composite crucible | Emerging Cross-Sectional Technologies | 0 | Active |
| US11535546B2 | Silica glass crucible | Chemistry; Metallurgy | 0 | Active |
| US9964478B2 | Destructive inspection method and quality determination method for vitreous silica crucible | Physics | 0 | Active |
| US9637405B2 | Evaluation method of suitable silica powder in manufacturing vitreous silica crucible for pulling of silicon single crystal | Emerging Cross-Sectional Technologies | 0 | Active |
| US9653268B2 | Inspection method of vitreous silica crucible | Physics | 0 | Active |
| US12116692B2 | Quartz glass crucible | Emerging Cross-Sectional Technologies | 0 | Active |
| US9816917B2 | Vitreous silica crucible and distortion-measuring apparatus for the same | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.