Inventor · disambiguated record
Tsutomu Yamakami
Also filed as: YAMAKAMI TSUTOMU
3 granted patents·60 citations·filing 1989–2006
74Inventor score
Files withRICOH KK3
Top patents by PatentIndex Score
3 records- 0192US7218877B2Charging device, and process cartridge and image forming apparatus including the charging device using the sameRICOH KK·Filed 2006·Granted May 15, 2007·12 cites·16 claims
- 0291US7062194B2Charging device, and process cartridge and image forming apparatus including the charging deviceRICOH KK·Filed 2004·Granted Jun 13, 2006·31 cites·17 claims
- 0360US5060922ACopying paper processing apparatusRICOH KK·Filed 1989·Granted Oct 29, 1991·17 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →