Inventor · disambiguated record
Ryuichi Yoshiyama
Also filed as: YOSHIYAMA RYUICHI
5 granted patents·117 citations·filing 1995–2005
81Inventor score
Top patents by PatentIndex Score
5 records- 0185US5981902ATexturing apparatus for magnetic recording medium and magnetic recording medium process therebyMITSUBISHI CHEM CORP·Filed 1995·Granted Nov 9, 1999·51 cites·22 claims
- 0283US5928759AMagnetic recording medium, method of producing the same, and recording and reading-out methodMITSUBISHI CHEM CORP·Filed 1997·Granted Jul 27, 1999·41 cites·26 claims
- 0357US6217970B1Magnetic recording medium, method of producing the same, and recording and reading-out methodMITSUBISHI CHEM CORP·Filed 1999·Granted Apr 17, 2001·12 cites·6 claims
- 0456US6078385AMethod of inspecting magnetic disc and apparatus therefor and process for producing the magnetic discMITSUBISHI CHEM CORP·Filed 1998·Granted Jun 20, 2000·13 cites·19 claims
- 0540US8178397B2Field effect transistorARAMAKI SHINJI·Filed 2005·Granted May 15, 2012·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →