HN

Hiroshi Nakai

Ricoh Company: 55 patents #171 of 9,818Top 2%
Canon: 25 patents #2,400 of 19,416Top 15%
SI Sanshin Industries: 14 patents #29 of 319Top 10%
AC Amada Co.: 10 patents #14 of 479Top 3%
PA Panasonic: 9 patents #2,933 of 21,108Top 15%
DA Daihen: 3 patents #87 of 305Top 30%
SC Sk Kaken Co.: 2 patents #3 of 14Top 25%
RE Renesas Electronics: 2 patents #1,855 of 4,529Top 45%
SC Shionogi & Co.: 1 patents #620 of 1,054Top 60%
MC Mitsubishi Gas Chemical Company: 1 patents #1,048 of 1,727Top 65%
SC Stanley Electric Co.: 1 patents #550 of 1,072Top 55%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
FL Furuno Electric Company Limited: 1 patents #215 of 407Top 55%
Overall (All Time): #8,961 of 4,157,543Top 1%
126
Patents All Time

Issued Patents All Time

Showing 26–50 of 126 patents

Patent #TitleCo-InventorsDate
10514651 Cleaning blade, cleaning device, image forming apparatus, and process cartridge Kazuhiko Watanabe, Hiroshi Mizusawa, Tomoyuki Kirigane, Yasuhide Nakazawa 2019-12-24
10493762 Inkjet printing apparatus Noriko Sato, Yoshinori Nakagawa, Takatoshi Nakano, Atsushi Takahashi, Takuya Fukasawa 2019-12-03
10113891 Flow rate measurement device Kenji Yasuda, Masato Satou, Hideaki Morihana, Yuji Fujii 2018-10-30
D832123 Flow meter Kenji Yasuda, Kouichi Takemura 2018-10-30
10052674 Punch die Shigeru Endo 2018-08-21
9833829 Punch die Shigeru Endo 2017-12-05
9770751 Punch die Shigeru Endo 2017-09-26
9753426 Image bearer protective agent, protective layer forming device, image forming method, image forming apparatus, and process cartridge Kenji Komito, Kohsuke Yamamoto, Hiroshi Mizusawa, Sho Akiyama 2017-09-05
9669450 Punch tool device and method of supplying lubricating oil 2017-06-06
9528624 Shutoff valve device Naoto Naganuma, Yuji Nakabayashi, Hideaki Morihana, Masaki Sugiyama, Akihisa Adachi 2016-12-27
9513594 Protective layer forming device and image forming apparatus Kunio Hasegawa, Kenji Komito, Tadashi Kasai, Takamasa Ozeki, Jun Hitosugi +6 more 2016-12-06
9365059 Motor control method and print apparatus Masaaki Matsuura, Kazuo Ohyama, Toshiaki Tokisawa, Masanori Kaneko, Atsushi Miyahara +1 more 2016-06-14
9272543 Printing device, tray and conveyance device Kazuo Ohyama, Toshiaki Tokisawa, Atsushi Miyahara, Masanori Kaneko, Masaaki Matsuura 2016-03-01
9217985 Image bearing member protecting agent, protective layer forming device, and image forming apparatus Kenji Komito, Kunio Hasegawa, Takuya Sekine 2015-12-22
9138909 Die and die device Kinshiro Naito, Masayuki Shimizu, Shigeru Endo, Takashi Matsumoto, Hiroyuki Kobayashi 2015-09-22
9120333 Printing apparatus and control method Toshiaki Tokisawa, Atsushi Miyahara, Kazuo Ohyama, Masanori Kaneko, Masaaki Matsuura 2015-09-01
8995899 Protecting agent-supplying device, process cartridge, image forming apparatus Kunio Hasegawa, Shinya Tanaka, Kohsuke Yamamoto, Taichi Urayama 2015-03-31
8989645 Image forming apparatus Kunio Hasegawa, Takuya Sekine, Kenji Komito 2015-03-24
8892021 Image forming apparatus, protective agent supplying member and protective layer forming apparatus Kunio Hasegawa, Takuya Sekine 2014-11-18
8714065 Punching die Yukio Takahashi, Satoshi Shimizu 2014-05-06
8676108 Protecting agent supplying member, protective layer forming device, and image forming apparatus Kunio Hasegawa, Shinya Tanaka, Kohsuke Yamamoto, Taichi Urayama 2014-03-18
8649723 Protective agent feeding member, protective layer forming apparatus, and image forming apparatus Kunio Hasegawa, Shinya Tanaka 2014-02-11
8506282 Die and die device Kinshiro Naito, Masayuki Shimizu, Shigeru Endo, Takashi Matsumoto, Hiroyuki Kobayashi 2013-08-13
8509670 Image bearing member to which boron nitride is attached Kumiko Hatakeyama, Toshiyuki Kabata 2013-08-13
8494429 Image forming apparatus and process cartridge Kumiko Seo, Toshiyuki Kabata 2013-07-23