HM

Hiroaki Matsuda

Ricoh Company: 2 patents #62 of 609Top 15%
📍 Yokkaichi, JP: #45 of 205 inventorsTop 25%
Overall (2002): #62,522 of 266,432Top 25%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6468706 Two-component developer, container filled with the two-component developer, and image formation apparatus Masanori Suzuki, Akemi Sugiyama, Hiroto Higuchi, Tsunemi Sugiyama, Fumihiro Sasaki +3 more 2002-10-22
6335137 Electrophotographic toner and electrophotographic image forming method and apparatus using the toner Masanori Suzuki, Akemi Sugiyama, Hiroto Higuchi, Tsunemi Sugiyama 2002-01-01