Inventor · disambiguated record
Kiyohisa Koyama
Also filed as: KOYAMA KIYOHISA
3 granted patents·58 citations·filing 2001–2005
72Inventor score
Files withRICOH KK3
Top patents by PatentIndex Score
3 records- 0179US6876819B2Image forming device and remote monitoring system for the sameRICOH KK·Filed 2001·Granted Apr 5, 2005·20 cites·20 claims
- 0278US6947675B2Remote maintenance and diagnosis of office or domestic appliancesRICOH KK·Filed 2002·Granted Sep 20, 2005·36 cites·30 claims
- 0366US7035554B2Image forming device and remote monitoring system for the sameRICOH KK·Filed 2005·Granted Apr 25, 2006·2 cites·28 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →