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Chung Chang

Schlumberger Technology: 1 patents #112 of 361Top 35%
📍 Zhubei City, CT: #1 of 1 inventorsTop 100%
Overall (2003): #251,525 of 273,478Top 95%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6671380 Acoustic transducer with spiral-shaped piezoelectric shell Hiroshi Hori 2003-12-30