AK

Atsushi Kohama

KS Kyocera Document Solutions: 12 patents #252 of 1,545Top 20%
AI Aisin: 1 patents #310 of 1,000Top 35%
Kyocera: 1 patents #2,054 of 3,732Top 60%
SL Sugino Machine Limited: 1 patents #48 of 124Top 40%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Overall (All Time): #311,623 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
12158715 Fixing device capable of suppressing current that flows when heating of fixing member is started, image forming apparatus, and power supply 2024-12-03
11934123 Fixing device and image forming apparatus including the same Yuhiro Sakai 2024-03-19
11766754 Conveyance apparatus Yuichiro Yoshimura, Atsushi Yoshida, Makoto Iida, Syuntaro Nagai 2023-09-26
11604427 Image forming apparatus having a heater for heating a toner image 2023-03-14
11192152 Cleaning apparatus and method of cleaning and drying an object Daisuke Kunitomo, Toyoaki Mitsue, Toyohiro Yamauchi, Atsushi Yoshida 2021-12-07
11137705 Fixing device, image forming apparatus Shunsaku FUJII, Takashi Eiki, Hiroki Kawasaki, Ryohei Tokunaga, Rina Kikukawa +5 more 2021-10-05
10866549 Fixing device capable of restricting electric connection state from becoming unstable, image forming apparatus Takashi Eiki, Yuhiro Sakai, Hiroki Kawasaki 2020-12-15
10768561 Fixing device and image forming apparatus Takashi Eiki, Hiroki Kawasaki, Yuhiro Sakai 2020-09-08
10627756 Fixing device and image forming apparatus Takashi Eiki, Hiroki Kawasaki, Yuhiro Sakai 2020-04-21
10514639 Heating unit, fixing device, and image forming apparatus Hiroki Kawasaki, Takashi Eiki, Kotatsu Kawaguchi, Ryohei Tokunaga, Yuhiro Sakai +3 more 2019-12-24
10386762 Heating unit including heating parts, in which each heating part includes heating resistors, fixing device including this heating unit, and image forming apparatus including this fixing device Takashi Eiki, Hiroki Kawasaki, Ryohei Tokunaga, Yuhiro Sakai, Kotatsu Kawaguchi +1 more 2019-08-20
10133228 Paper feed device and image forming apparatus 2018-11-20
10122886 Image reading device, image forming apparatus provided therewith, and method for controlling image reading device 2018-11-06
9745156 Sheet feed cassette monitor that highly accurately detects open/close state of sheet feed cassette and presence/absence state of paper sheet, image forming apparatus, and sheet feed cassette monitoring method 2017-08-29
6036214 Bicycle with antitheft device Takao Ono, Masahiro Ito, Hiroshi Nakano, Takehiro Miyoshi, Masashi Kawasaki +4 more 2000-03-14