Inventor

TAKEYASU HATSUICHI

JP3 patents

Patents

3 patents

US5361170ANov 1, 1994

Polygonal mirror

ASAHI OPTICAL CO LTD10 citations68

US4884856ADec 5, 1989

Polygonal mirror and method of making same

ASAHI OPTICAL CO LTD8 citations66

US5517365AMay 14, 1996

Polygonal mirror

ASAHI OPTICAL CO LTD4 citations57