Inventor
IKI MAKOTO
JP16 patents
⚠️ This page may combine multiple inventors who share the name “IKI MAKOTO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ASAHI OPTICAL CO LTD
13 patentsUS5341246AAug 23, 1994
Apparatus for adjusting an optical axis including plates on opposite sides of a beam shaping prism
ASAHI OPTICAL CO LTD29 citations93
US5237457AAug 17, 1993
Apparatus for adjusting an optical axis including a laser beam source and a beam shaping prism
ASAHI OPTICAL CO LTD27 citations93
US5491587AFeb 13, 1996
Collimating lens for optical system using semiconductor laser
ASAHI OPTICAL CO LTD19 citations92
US5379105AJan 3, 1995
Roof surface measuring apparatus
ASAHI OPTICAL CO LTD38 citations92
US5297114AMar 22, 1994
Magneto-optic recording/reproduction apparatus for minimizing variation in focusing error signals caused by variation in optical source wavelength
ASAHI OPTICAL CO LTD35 citations91
US5733710AMar 31, 1998
Method for manufacturing a master die for a diffusion plate and diffusion plate manufactured by said method
ASAHI OPTICAL CO LTD18 citations83
US5402269AMar 28, 1995
Compound prism
ASAHI OPTICAL CO LTD16 citations82
US5343332AAug 30, 1994
Apparatus for adjusting optical axis including a beam shaping prism
ASAHI OPTICAL CO LTD17 citations82
US5223983AJun 29, 1993
Compound prism including interfaces with curvatures of the order of a laser wave length
ASAHI OPTICAL CO LTD15 citations82
US5373437ADec 13, 1994
Device for and method of reducing cross talk in optical disk device
ASAHI OPTICAL CO LTD11 citations74
US5280464AJan 18, 1994
Optical disk apparatus having a focusing error correcting system
ASAHI OPTICAL CO LTD10 citations74
US5434835AJul 18, 1995
Optical disk apparatus
ASAHI OPTICAL CO LTD7 citations73
US6221561B1Apr 24, 2001
Diffusion plate and method for manufacturing master die thereof
ASAHI OPTICAL CO LTD4 citations61