KN

Koji Nakahata

SG Sumita Optical Glass: 1 patents #37 of 59Top 65%
Overall (All Time): #3,603,105 of 4,157,543Top 90%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6333282 Optical glass for precision molding Koichi Tsuchiya, Shinobu Nagahama 2001-12-25