YT

Yuuya Takabayashi

Ricoh Company: 2 patents #5,693 of 9,818Top 60%
Overall (All Time): #1,862,187 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11513447 Carrier for forming electrophotographic image, developer for forming electrophotographic image, electrophotographic image forming method, electrophotographic image forming apparatus, and process cartridge Shinya Nakagawa, Katsuhiko Fujii, Junjiroh Sogame 2022-11-29
10990027 Carrier for forming electrophotographic image, two-component developer, developer for replenishment, image forming apparatus, process cartridge, and image forming method Junjiroh Sogame, Shinya Nakagawa, Katsuhiko Fujii 2021-04-27