YS

Yuichi Sakakibara

Canon: 9 patents #6,722 of 19,416Top 35%
TT Toshiba Lighting & Technology: 4 patents #128 of 486Top 30%
AC Advics Co.: 1 patents #370 of 686Top 55%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
Overall (All Time): #310,216 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12420764 Electric braking device Ryota MAENO, Atsushi Takahashi, Tsuyoshi Otake, Shingo Onoda, Haruo Arakawa 2025-09-23
12038717 Process unit including first and second resin materials and image forming apparatus Yosuke Kashiide, Hiroyuki Munetsugu, Yuko Harada, Goshi Ozaki, Masanari Morioka +6 more 2024-07-16
D1015421 Process cartridge for image forming apparatus Tachio Kawai, Shigemi Kamoshida, Hiroyuki Munetsugu, Isao Koishi, Yosuke Kashiide +6 more 2024-02-20
11520286 Cartridge and image forming apparatus Yosuke Kashiide, Hiroyuki Munetsugu, Yuko Harada, Goshi Ozaki, Masanari Morioka +6 more 2022-12-06
10289058 Image forming apparatus and drawer member Takahiro Sakamoto, Tsutomu Nishiuwatoko, Takashi Akutsu, Daisuke Abe, Ken Kikuchi 2019-05-14
10061260 Image forming apparatus and drawer member Takahiro Sakamoto, Tsutomu Nishiuwatoko, Takashi Akutsu, Daisuke Abe, Ken Kikuchi 2018-08-28
10018961 Image forming apparatus having a rotatable development carrying member disposed in a particular relation to a developer supply roller 2018-07-10
9606501 Image forming apparatus and drawer member Takahiro Sakamoto, Tsutomu Nishiuwatoko, Takashi Akutsu, Daisuke Abe, Ken Kikuchi 2017-03-28
9389578 Image-forming apparatus Tadashi Horikawa, Tetsuya Numata, Noriyuki Komatsu, Osamu Anan, Ken Kikuchi +1 more 2016-07-12
8918015 Main cartridge, process cartridge, and image forming apparatus Takashi Akutsu, Ken Kikuchi 2014-12-23
6552489 Fluorescent lamp and a method of making same, and a lighting fixture 2003-04-22
6193390 Circular fluorescent lamp unit and lighting apparatus. Toshiharu Yagi, Akinori Yasuhara, Ichiro Yamada 2001-02-27
5796210 Circular fluorescent lamp unit and lighting apparatus Toshiharu Yagi, Akinori Yasuhara, Ichiro Yamada 1998-08-18
5227693 Fluorescent lamp with UV suppressing film and its manufacturing method Keiji Hatakeyama, Kunihiko Ikada 1993-07-13
4691140 Fluorescent lamp Yukio Takahashi, Hideharu Shima 1987-09-01