Inventor
ISHIKAWA TOSHIHARU
JP5 patents
⚠️ This page may combine multiple inventors who share the name “ISHIKAWA TOSHIHARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DAINIPPON PRINTING CO LTD
4 patentsUS5138604AAug 11, 1992
Optical recording method having two degrees of reflectivity and a diffraction grating or hologram formed integrally thereon and process for making it
DAINIPPON PRINTING CO LTD143 citations98
US6892545B2May 17, 2005
Automatic refrigerator system, refrigerator, automatic cooking system, and microwave oven
DAINIPPON PRINTING CO LTD70 citations96
US7060953B2Jun 13, 2006
Automatic cooking system and microwave oven
DAINIPPON PRINTING CO LTD31 citations91
US5798850AAug 25, 1998
Method of and apparatus for duplicating hologram and duplicate hologram
DAINIPPON PRINTING CO LTD18 citations83