AH

Atsufumi Hanazawa

Ricoh Company: 8 patents #2,692 of 9,818Top 30%
Overall (All Time): #618,163 of 4,157,543Top 15%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
11560491 Liquid composition, device for applying liquid composition, image forming device, and image forming method Dongsik Jang, Yukitaka Watarai, Tsutomu Maekawa, Takashi Tamai, Koji Katsuragi 2023-01-24
11040561 Ink and processing liquid set, image forming method, and image forming device Takashi Tamai, Dongsik Jang, Satoshi Takahashi, Yoshiki Yanagawa, Tsutomu Maekawa +1 more 2021-06-22
10899145 Image forming method, image forming apparatus, and set of ink and processing fluid Sayuri Kojima, Takashi Tamai 2021-01-26
10851253 Image forming method and image forming apparatus Tsutomu Maekawa, Koji Katsuragi, Takashi Tamai, Dongsik Jang 2020-12-01
10744795 Liquid discharge system, image forming apparatus, and liquid discharge method Yoshihiro Harada, Takashi Tamai, Sayuri Kojima 2020-08-18
10647129 Printing method and set of processing fluid and ink Hiroshi Gotou, Tsutomu Maekawa, Yukitaka Watarai, Koji Katsuragi, Tomohiro Nakagawa 2020-05-12
10259965 Surface treatment liquid compostion, ink set, recording method, and recording device Tomohiro Nakagawa, Noriaki Okada, Juichi Furukawa, Satoyuki Sekiguchi, Yukihiro Imanaga +1 more 2019-04-16
9507296 Intermediate transferer and image forming apparatus using the same Hidetaka Kubo, Jun Aoto, Daisuke Aoki 2016-11-29