MY

Masahiro Yukikawa

Ricoh Company: 1 patents #6,936 of 9,818Top 75%
Overall (All Time): #1,709,793 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12411429 Toner, developer, toner storage unit, image forming apparatus, and image forming method Akinori Saitoh, Akio Takei, Toma Takebayashi, Tomomi Harashima, Hiroshi Yamada 2025-09-09
12287605 Toner and production method thereof, toner stored unit, image forming apparatus, and image forming method Yasuo Kamada, Hiroshi Yamada, Akinori Saitoh, Akio Takei, Toma Takebayashi 2025-04-29