TK

Tomohiro Kubota

Ricoh Company: 3 patents #82 of 1,125Top 8%
SL Semiconductor Energy Laboratory: 1 patents #190 of 320Top 60%
📍 Yokohama, IL: #2 of 7 inventorsTop 30%
Overall (2022): #37,715 of 548,613Top 7%
4
Patents 2022

Issued Patents 2022

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11506994 Toner cartridge including a protrusion protruding from a center of a conveyance drive gear Naoki Nakatake, Yoshiyuki Shimizu, Shoh Tsuritani, Manabu Hamada, Masato Tsuji +1 more 2022-11-22
11482687 Light-emitting device, electronic device, and lighting device Shunpei Yamazaki, Takeyoshi WATABE, Airi UEDA, Satoshi Seo, Nobuharu Ohsawa +1 more 2022-10-25
11275325 Image forming apparatus including a process cartridge that includes a developing device Hotaru HASHIKAWA, Yoshihiro Fujiwara, Nobuo Takami, Ryusuke Mase, Kazuki Yogosawa +2 more 2022-03-15
11231663 Toner cartridge including a protrusion protruding from a center of a conveyance drive gear Naoki Nakatake, Yoshiyuki Shimizu, Shoh Tsuritani, Manabu Hamada, Masato Tsuji +1 more 2022-01-25