Inventor
KATSURAGAWA TADAO
JP10 patents
⚠️ This page may combine multiple inventors who share the name “KATSURAGAWA TADAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
8 patentsUS5991075ANov 23, 1999
Light polarizer and method of producing the light polarizer
RICOH KK64 citations95
US5112466AMay 12, 1992
Apparatus for forming a thin film
RICOH KK30 citations92
US6993872B2Feb 7, 2006
Light control window
RICOH KK22 citations91
US6055215AApr 25, 2000
Magneto-optical recording medium having a plurality of ferromagnectic thin layers
RICOH KK18 citations91
US5112701AMay 12, 1992
Magneto-optic recording media and process for producing the same
RICOH KK27 citations91
US6243193B1Jun 5, 2001
Magneto-optical light modulator
RICOH KK17 citations83
US4960072AOct 2, 1990
Apparatus for forming a thin film
RICOH KK13 citations73
US6187431B1Feb 13, 2001
Magnetic recording medium
RICOH KK6 citations61