Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
KY

Keisuke Yagome

Ricoh Company: 1 patents #6,936 of 9,818Top 75%
Overall (All Time): #3,115,044 of 4,157,543Top 75%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8777139 Pulverizer, pulverization method, toner production method, and toner 2014-07-15