MI

Masao Ichiyanagi

Brother Kogyo: 9 patents #920 of 2,767Top 35%
FC Feather Safety Razor Co.: 4 patents #3 of 16Top 20%
📍 Ama, JP: #7 of 18 inventorsTop 40%
Overall (All Time): #362,389 of 4,157,543Top 9%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
12271145 Image forming apparatus Keita Shimizu 2025-04-08
11994825 Image forming apparatus Keita Shimizu 2024-05-28
11714379 Image forming apparatus Keita Shimizu 2023-08-01
11448999 Image forming apparatus Keita Shimizu 2022-09-20
11320778 Image forming apparatus having cover with maneuver lever for actuating locking members Hikaru Iino 2022-05-03
11150600 Image forming apparatus Keita Shimizu 2021-10-19
10871604 Display device and image forming apparatus Hiroyuki Ominato, Toshio Sakai, Yohei Hashimoto 2020-12-22
10474090 Image forming apparatus Takeshi Yamanaka 2019-11-12
9989916 Image forming apparatus having coupling structure between cartridge and driver unit Wataru Yamaguchi, Yohei Hashimoto 2018-06-05
8898910 Cutter Akira Takahashi 2014-12-02
D379675 Safety razor cartridge 1997-06-03
5560105 Replaceable blade cartridge for razor 1996-10-01
5493778 Razor unit 1996-02-27