Komatsu Electronic Metals Co., Ltd.
144Patents
1Active
144Granted
39Portfolio score
Filing activity: Sep 23, 1975 → Jun 2, 2005 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5690742A | Susceptor for an epitaxial growth apparatus | Chemistry; Metallurgy | 331 | Expired |
| US5908246A | Unsealing structure with cut out for shrink film sealed packages | Performing Operations; Transporting | 101 | Expired |
| US5537325A | Apparatus for and method of manufacturing semiconductor wafer | Electricity | 68 | Expired |
| US5897743A | Jig for peeling a bonded wafer | Emerging Cross-Sectional Technologies | 46 | Expired |
| US5968262A | Method of fabricating silicon single crystals | Chemistry; Metallurgy | 42 | Expired |
| US5932048A | Method of fabricating direct-bonded semiconductor wafers | Emerging Cross-Sectional Technologies | 36 | Expired |
| US5821166A | Method of manufacturing semiconductor wafers | Electricity | 33 | Expired |
| US4038370A | Method of producing high-purity transparent vitreous silica | Chemistry; Metallurgy | 31 | Expired |
| US5900059A | Method and apparatus for fabricating semiconductor single crystal | Emerging Cross-Sectional Technologies | 31 | Expired |
| US5863829A | Process for fabricating SOI substrate | Emerging Cross-Sectional Technologies | 30 | Expired |
| US6036776A | Method and device for manufacturing single crystals | Emerging Cross-Sectional Technologies | 30 | Expired |
| US5658809A | SOI substrate and method of producing the same | Electricity | 28 | Expired |
| US5316742A | Single crystal pulling apparatus | Emerging Cross-Sectional Technologies | 28 | Expired |
| US6117402A | Device for manufacturing single crystals | Emerging Cross-Sectional Technologies | 24 | Expired |
| US5918136A | SOI substrate and method of producing the same | Electricity | 24 | Expired |
| US5899743A | Method for fabricating semiconductor wafers | Emerging Cross-Sectional Technologies | 23 | Expired |
| US5665613A | Method of making semiconductor device having SIMOX structure | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5725100A | Semiconductor wafer case | Electricity | 21 | Expired |
| US5441014A | Apparatus for pulling up a single crystal | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5866468A | Method for fabricating an SOI substrate | Electricity | 20 | Expired |
| US4113844A | Method of producing high-purity transparent vitreous silica body | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5766347A | Apparatus for fabricating a semiconductor single crystal | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5928422A | Regulating cylinder unit in a single-crystal pulling apparatus and a jig for installing them | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6066565A | Method of manufacturing a semiconductor wafer | Electricity | 16 | Expired |
| US5853480A | Apparatus for fabricating a single-crystal semiconductor | Emerging Cross-Sectional Technologies | 16 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.