Inventor
TOHYAMA KAZUTOSHI
JP8 patents
Patents
8 patentsUS6689704B2Feb 10, 2004
Glass material and glass ceramic product
NGK INSULATORS LTD51 citations96
US6215945B1Apr 10, 2001
Optical fiber array
NGK INSULATORS LTD20 citations92
US6103344AAug 15, 2000
Heat-fused unitary ferrule and method for producing the same
NGK INSULATORS LTD34 citations92
US6519406B1Feb 11, 2003
Thermally fused integral ferrule and its manufacturing method, and fiber array manufacturing method
NGK INSULATORS LTD16 citations83
US6379777B1Apr 30, 2002
Die and production method thereof, glass substrate and production method thereof and method of forming pattern on the glass substrate
NGK INSULATORS LTD11 citations73
US6354111B1Mar 12, 2002
Press-forming die for glass elements
NGK INSULATORS LTD4 citations62
US6321020B1Nov 20, 2001
Glass substrate and two-stage molding method therefor
NGK INSULATORS LTD5 citations62
US6223561B1May 1, 2001
Press mold for glass substrate
NGK INSULATORS LTD4 citations62