HO

Hiroaki Okamoto

Ricoh Company: 21 patents #1,013 of 9,818Top 15%
Fujitsu Limited: 18 patents #1,600 of 24,456Top 7%
TC Toyo Kohan Co.: 10 patents #19 of 295Top 7%
KT Kabushiki Kaisha Toshiba: 5 patents #5,683 of 21,451Top 30%
OC Okamoto Chemical Industry Co.: 4 patents #1 of 10Top 10%
SC Sumitomo Chemical: 4 patents #1,124 of 4,033Top 30%
IJ Immuno Japan: 4 patents #2 of 7Top 30%
UN Unknown: 3 patents #7,366 of 83,584Top 9%
MC Minolta Co.: 2 patents #718 of 1,416Top 55%
Canon: 1 patents #14,899 of 19,416Top 80%
NI Nikon: 1 patents #1,647 of 2,493Top 70%
NS Nippon Soken: 1 patents #783 of 1,540Top 55%
NC Nippondenso Co.: 1 patents #1,765 of 3,479Top 55%
OC Osaka Transformer Co.: 1 patents #4 of 15Top 30%
SC Sanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%
TC Tottori Sanyo Electric Co.: 1 patents #85 of 224Top 40%
YU Yamaguchi University: 1 patents #44 of 132Top 35%
AE Asahi Kasei E-Materials: 1 patents #57 of 141Top 45%
📍 Ooita, JP: #1 of 516 inventorsTop 1%
Overall (All Time): #23,130 of 4,157,543Top 1%
79
Patents All Time

Issued Patents All Time

Showing 26–50 of 79 patents

Patent #TitleCo-InventorsDate
9360816 Toner bottle driving device control method and image forming apparatus Hiroyuki Mabuchi, Junichi Terai, Yukio Otome, Tadashi Ogawa, Hiroshi Kikuchi +2 more 2016-06-07
9323176 Powder supply device and image forming apparatus incorporating same Junichi Terai, Hiroyuki Mabuchi, Yukio Otome, Hiroshi Kikuchi, Akira Fujimori +2 more 2016-04-26
9046821 Development device and image forming apparatus incorporating same Tomoya Ohmura, Akira Azami, Toshio Koike, Masaaki Yamada 2015-06-02
8989621 Development device, and process cartridge and image forming apparatus including same Yoshio Hattori, Toshio Koike, Atsushi Nakamoto, Yoshiyuki Fukuda 2015-03-24
8980124 Aromatic compound gelling agent having perfluoroalkyl group Yuki Morita 2015-03-17
8971769 Development device including a removable seal to seal a supplied-developer and/or a collected-developer communicating area Yasuo Miyoshi, Norio Kudo, Yoshihiro Fujiwara, Tsukuru Kai, Hiroshi Hosokawa 2015-03-03
8787802 Developing device, process cartridge, and image-forming apparatus Yoshio Hattori, Atsushi Nakamoto, Yoshiyuki Fukuda, Toshio Koike 2014-07-22
8750752 Development device including a removable seal to seal a supplied-developer and/or a collected-developer communicating area Yasuo Miyoshi, Norio Kudo, Yoshihiro Fujiwara, Tsukuru Kai, Hiroshi Hosokawa 2014-06-10
8665430 Exposure condition determining method and surface inspection apparatus 2014-03-04
8649714 Development device, process cartridge, and image forming apparatus including same Norio Kudo, Yasuo Miyoshi, Hiroshi Hosokawa, Yoshihiro Fujiwara 2014-02-11
8626034 Development device, and image forming apparatus and process cartridge incorporating same Toshio Koike, Yoshiyuki Fukuda, Yoshio Hattori, Atsushi Nakamoto 2014-01-07
8571449 Development device, process cartridge, and image forming apparatus Yasuo Miyoshi, Norio Kudo, Yoshihiro Fujiwara, Tsukuru Kai, Hiroshi Hosokawa 2013-10-29
8455694 Gelling agent and gel Yuki Morita 2013-06-04
8433224 Development device, process cartridge including same, and image forming apparatus including same Yoshihiro Fujiwara, Yasuo Miyoshi, Hiroshi Hosokawa, Norio Kudo 2013-04-30
8399136 Electrolyte solution for lithium ion secondary battery, lithium ion secondary battery, fluoroalkane derivative and gelling agent Asami Ohashi, Yoshiyuki Ishii, Yuki Morita 2013-03-19
8350088 Gelling agent containing a fluoroalkyl derivative Yuki Morita 2013-01-08
8326184 Development device and image forming apparatus Norio Kudo, Yasuo Miyoshi, Hiroshi Hosokawa, Yoshihiro Fujiwara 2012-12-04
7369191 Liquid crystal display with elastic ground contact on first side and multiple ground contacts on second side of drive circuit board Masayoshi Nishiura, Hideaki Kishi, Katsumi Tanaka 2008-05-06
7284320 Multilayer printed wiring board and method of manufacturing the same Kinji Saijo, Kazuo Yoshida, Shinji Ohsawa 2007-10-23
7183190 Semiconductor device and fabrication method therefor Kinji Saijo, Shingji Ohsawa, Kazuo Yoshida, Tadatomo Suga 2007-02-27
7175919 Multilayered metal laminate and process for producing the same Kinji Saijo, Kazuo Yoshida, Shinji Ohsawa 2007-02-13
7033641 Gas separating unit and method for manufacturing the same Kinji Saijo, Shinji Ohsawa, Kazuo Yoshida, Tsutomu Seki 2006-04-25
6949412 Clad plate for forming interposer for semiconductor device, interposer for semiconductor device, and method of manufacturing them Kinji Saijo, Kazuo Yoshida, Shinji Ohsawa 2005-09-27
6849431 Non-B, non-C, non-G hepatitis virus gene, polynucleotide, polypeptide, virus particle, method for isolating virus particle, and method for detecting virus Tsutomu Nishizawa 2005-02-01
6841877 Semiconductor device, metal laminated plate for fabricating circuit on semiconductor, and method of fabricating circuit Kinji Saijo, Kazuo Yoshida, Shinji Ohsawa 2005-01-11