Inventor · disambiguated record

Tsuyoshi Koyama

Also filed as: KOYAMA TSUYOSHI

1 granted patent·16 citations·filing 2003–2003

37Inventor score

Technology areasG03G

Files withRICOH PRINTING SYS LTD1

Top patents by PatentIndex Score

1 record

0176US6928257B2Image forming and recording apparatus with three pressure membersRICOH PRINTING SYS LTD·Filed 2003·Granted Aug 9, 2005·16 cites·10 claims

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