MT

Masashi Tachi

Ricoh Company: 5 patents #3,664 of 9,818Top 40%
Overall (All Time): #919,551 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12416888 Image forming apparatus Keita Sone, Tomohide Takenaka, Shinya Tanaka 2025-09-16
11860560 Image forming apparatus and image forming method 2024-01-02
11402784 Image forming apparatus and image formation method Tomohide Takenaka, Masaki Sukesako, Keita Sone 2022-08-02
10599081 Image forming apparatus and voltage application method Takuma Higa, Masayoshi Nakayama, Masaki Sukesako, Tomohide Takenaka, Yuichi Aizawa +2 more 2020-03-24
10241462 Image forming apparatus Masayoshi Nakayama, Takuma Higa, Masaki Sukesako, Kazuaki Kamihara, Yuichi Aizawa +2 more 2019-03-26