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

Tadashi Matsuura

Ricoh Company: 1 patents #6,936 of 9,818Top 75%
Overall (All Time): #3,907,718 of 4,157,543Top 95%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4943128 Light scanning device Hiromi Takada, Takami Suzuki, Toshio Shiina, Keiji Okamoto, Takeshi Komurasaki +2 more 1990-07-24