TI

Tomoya Ichikawa

Brother Kogyo: 28 patents #275 of 2,767Top 10%
FI Fujifilm Business Innovation: 25 patents #254 of 5,238Top 5%
BI Brother Industries: 4 patents #95 of 325Top 30%
Nsk: 3 patents #483 of 1,559Top 35%
Overall (All Time): #38,452 of 4,157,543Top 1%
60
Patents All Time

Issued Patents All Time

Showing 1–25 of 60 patents

Patent #TitleCo-InventorsDate
12275616 Layer transfer film cartridge, and layer transfer device Nao Itabashi, Yukiko Nakanishi 2025-04-15
12204275 Developing cartridge providing layout of electrodes and detection gear Keita Shimizu, Takashi Shimizu, Kazuna Taguchi 2025-01-21
12204274 Developing cartridge including supply roller, layer thickness regulation blade, and supply electrode electrically connected to both supply roller and layer thickness regulation blade Atsushi Fukaya, Koji Abe, Naoya Kamimura 2025-01-21
12103296 Layer transfer film cartridge and layer transfer device Nao Itabashi 2024-10-01
12045002 Film cartridge, film unit, and layer transfer device 2024-07-23
11971673 Image forming apparatus Tomoya Yamamoto, Ryosuke Sakai, Kentaro Mori, Kyoko Sugiyama, Ayaka Ohira +1 more 2024-04-30
11874624 Cartridge for foil transfer device and holder 2024-01-16
11803154 Developing cartridge providing layout of electrodes and detection gear Keita Shimizu, Takashi Shimizu, Kazuna Taguchi 2023-10-31
11788580 Rolling bearing 2023-10-17
11733643 Developing cartridge including supply roller, layer thickness regulation blade, and supply electrode electrically connected to both supply roller and layer thickness regulation blade Atsushi Fukaya, Koji Abe, Naoya Kamimura 2023-08-22
11604433 Developing cartridge providing layout of electrodes and detection gear Keita Shimizu, Takashi Shimizu, Kazuna Taguchi 2023-03-14
11586133 Layer transfer device Seiji Hiramatsu, Kyoko Sugiyama, Tomoya Yamamoto 2023-02-21
11567449 Image forming apparatus Shougo Sato 2023-01-31
11493873 Layer transfer device Ryosuke Sakai 2022-11-08
11415933 Developing cartridge providing layout of electrodes and detection gear Keita Shimizu, Takashi Shimizu, Kazuna Taguchi 2022-08-16
D948609 Foil roll unit for foil transfer unit 2022-04-12
11262691 Image forming apparatus Shougo Sato 2022-03-01
11131957 Image forming apparatus including developing cartridge, toner container, and supply tube 2021-09-28
11073785 Developing cartridge including supply roller, layer thickness regulation blade, and supply electrode electrically connected to both supply roller and layer thickness regulation blade Atsushi Fukaya, Koji Abe, Naoya Kamimura 2021-07-27
11061362 Image forming apparatus Shougo Sato 2021-07-13
D909470 Foil unit for a foil transfer apparatus Hideshi Nishiyama, Ryosuke Sakai 2021-02-02
D906414 Foil unit for a foil transfer apparatus 2020-12-29
10788784 Image forming apparatus including developing cartridge, toner container, and supply tube 2020-09-29
10747173 Developing cartridge providing layout of electrodes and detection gear Keita Shimizu, Takashi Shimizu, Kazuna Taguchi 2020-08-18
10663917 Image forming apparatus Shougo Sato 2020-05-26