Inventor

SONODA TUNEHIKO

JP3 patents

Patents

3 patents

US5991102ANov 23, 1999

Beam protecting device

ASAHI OPTICAL CO LTD46 citations95

US5825555AOct 20, 1998

Beam projecting apparatus

ASAHI OPTICAL CO LTD43 citations92

US5768150AJun 16, 1998

Device and method for measuring a characteristic of an optical element

ASAHI OPTICAL CO LTD15 citations72