OH

Osamu Handa

FI Fujifilm Business Innovation: 16 patents #1,029 of 1,659Top 65%
TI Texas Instruments: 6 patents #2,401 of 12,488Top 20%
Overall (All Time): #194,873 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11143990 Image forming apparatus 2021-10-12
10705447 Image forming system including a first transfer unit and a second transfer unit having a total resistance larger than that of the first transfer unit 2020-07-07
9904201 Image forming apparatus 2018-02-27
8346119 Cleaning device, charging device, and image forming apparatus Takatoshi Ishikawa, Takashi Kawabata, Atsuhito Tokuyama, Tsutomu Komiyama 2013-01-01
8185000 Electrostatic charging apparatus, and image forming assembly and image forming apparatus which employ the same Taku Aoshima 2012-05-22
8126368 Charge device, image formation assembly using the same, and image formation apparatus Taku Aoshima 2012-02-28
8126344 Image forming apparatus with variable amplitude alternating current to mitigate image defects and photoconductor wear Yoshihisa Kitano 2012-02-28
7899354 Cleaning device, process cartridge and image formation apparatus Masahiro Katahira 2011-03-01
7764888 Image formation apparatus and charging control method of charging roll Takuro Hagiwara, Yoshihisa Kitano 2010-07-27
7729638 Image forming apparatus, charger, and image carrier unit Masahiro Katahira 2010-06-01
7532832 Image forming apparatus and charge control method Takuro Hagiwara, Yoshihisa Kitano 2009-05-12
7529498 Image forming device having charging roller and cleaning member Yusuke Kitagawa, Masato Serizawa, Mitsuhiro Matsumoto, Junichi Ozawa 2009-05-05
7454154 Image forming device, charging device and cleaning device Mitsuhiro Matsumoto 2008-11-18
7426683 Semiconductor memory device equipped with error correction circuit Hiroshi Takahashi, Akihiro Takegama, Hiroshi Kimizuka 2008-09-16
7069493 Semiconductor memory device equipped with error correction circuit Hiroshi Takahashi, Akihiro Takegama, Hiroshi Kimizuka 2006-06-27
7050323 Ferroelectric memory Hiroshi Takahashi, Rimon Ikeno 2006-05-23
6778422 Ferroelectric memory Hiroshi Takahashi, Rimon Ikeno 2004-08-17
6741098 High speed semiconductor circuit having low power consumption Hiroshi Takahashi, Yutaka Toyonoh, Akihiro Takegama, Rimon Ikeno, Kaoru Awaka +1 more 2004-05-25
6603328 Semiconductor integrated circuit Hiroshi Takahashi, Akihiro Takegama, Yutaka Toyonoh, Kaoru Awaka, Rimon Ikeno +1 more 2003-08-05
5893022 Image forming apparatus Naoto Yoshino, Masao Ohkubo, Fumio Furusawa, Yukio Hayashi 1999-04-06
5778281 Transfer apparatus 1998-07-07
5742888 Transfer apparatus for an image forming apparatus Takashi Fuchiwaki, Kouji Hamabe 1998-04-21