Inventor · disambiguated record

Ryuuji Nakayama

Also filed as: NAKAYAMA RYUUJI

2 granted patents·16 citations·filing 1988–2016

54Inventor score

Technology areasG06F Y10T

Files withHITACHI SOLUTIONS LTD1 MITSUBISHI CHEM IND1

Top patents by PatentIndex Score

2 records

0159US10318745B2Access control system and access control methodHITACHI SOLUTIONS LTD·Filed 2016·Granted Jun 11, 2019·1 cites·4 claims
0249US4972569AMethod for rotatingly transferring hollow cylindrical articlesMITSUBISHI CHEM IND·Filed 1988·Granted Nov 27, 1990·15 cites·10 claims

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Ryuuji Nakayama — Patent Inventor | PatentIndex