HO

Hiroaki Okuma

FI Fujifilm Business Innovation: 16 patents #693 of 1,659Top 45%
SC Stanley Electric Co.: 1 patents #550 of 1,072Top 55%
Overall (All Time): #269,214 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12130573 Decurling device, fixing device, and image forming apparatus Shingo Akiyama, Masakatsu Eda, Seiji Taira 2024-10-29
11243491 Fixing device and image forming apparatus Shogo Kamiya, Shingo Akiyama, Masakatsu Eda 2022-02-08
10175619 Fixing device and image forming apparatus Masakatsu Eda, Sho Watanabe 2019-01-08
10108109 Developing device and image forming apparatus Yasutomo Ishii, Shunichiro Shishikura, Toshiaki Suzuki, Daisuke UCHIMITSU, Ryo Fukuno 2018-10-23
9195168 Developing device and image forming apparatus Yasutomo Ishii, Shinichi Kuramoto, Ryota Tomishi, Shinji Okuyama, Kiyohito HORII +3 more 2015-11-24
9128418 Developing device and image forming apparatus Toshiaki Suzuki, Yasutomo Ishii, Kiyohito HORII 2015-09-08
8983319 Image forming apparatus Takashi Sakamoto, Daisuke Nakai 2015-03-17
8831484 Powder container, powder processing apparatus using the same, and powder container controlling method Takashi Sakamoto 2014-09-09
8750766 Powder container and powder processing apparatus having a lid with rib for suppressing inclination Takashi Sakamoto 2014-06-10
8750751 Image forming apparatus and toner supply device Daisuke Nakai, Takashi Sakamoto 2014-06-10
8483599 Powder container, powder processing apparatus using the same, and powder container controlling method Takashi Sakamoto 2013-07-09
8406652 Removable member-holding device and image forming apparatus Atsushi FUNADA, Hirokazu Murase, Ryuji Hattori, Junichi Hama 2013-03-26
8224205 Powder storage container and image forming apparatus using the same Toshikazu Tsumita 2012-07-17
8120151 Optical semiconductor device and method for manufacturing the same Kazuhisa Ishi, Takaaki Fujii, Aki Hiramoto 2012-02-21
8025150 Cushioning member Toshikazu Tsumita 2011-09-27
8019252 Removable member-holding device and image forming apparatus Atsushi FUNADA, Hirokazu Murase, Ryuji Hattori, Junichi Hama 2011-09-13
7904005 Image forming apparatus Ryuji Hattori, Atsushi FUNADA, Junichi Hama, Hirokazu Murase 2011-03-08