Inventor · disambiguated record
Tadao Katsuragawa
Also filed as: KATSURAGAWA TADAO
10 granted patents·1 pending application·207 citations·filing 1988–2008
91Inventor score
Top patents by PatentIndex Score
11 records- 0182US5991075ALight polarizer and method of producing the light polarizerRICOH KK·Filed 1997·Granted Nov 23, 1999·64 cites·9 claims
- 0281US5112701AMagneto-optic recording media and process for producing the sameRICOH KK·Filed 1989·Granted May 12, 1992·27 cites·8 claims
- 0380US8068387B2Magneto-optical deviceKATSURAGAWA TADAO·Filed 2006·Granted Nov 29, 2011·9 cites·13 claims
- 0475US6993872B2Light control windowRICOH KK·Filed 2003·Granted Feb 7, 2006·22 cites·33 claims
- 0573US5112466AApparatus for forming a thin filmRICOH KK·Filed 1990·Granted May 12, 1992·30 cites·8 claims
- 0669US6055215AMagneto-optical recording medium having a plurality of ferromagnectic thin layersRICOH KK·Filed 1998·Granted Apr 25, 2000·18 cites·21 claims
- 0754US4960072AApparatus for forming a thin filmRICOH KK·Filed 1988·Granted Oct 2, 1990·13 cites·13 claims
- 0849US6243193B1Magneto-optical light modulatorRICOH KK·Filed 1999·Granted Jun 5, 2001·17 cites·18 claims
- 0947US2008311429A1Magnetic film, magnetic recording/ reproducing device, and polarization conversion componentKATSURAGAWA TADAO·Filed 2008·Application pending·0 cites
- 1044USRE42824EMagneto-optical recording medium having a plurality of ferromagnetic thin layersRICOH CO LTD·Filed 2002·Granted Oct 11, 2011·1 cites·46 claims
- 1135US6187431B1Magnetic recording mediumRICOH KK·Filed 1998·Granted Feb 13, 2001·6 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →