HF

Hisashi Fukushima

Canon: 60 patents #466 of 19,416Top 3%
Overall (All Time): #38,279 of 4,157,543Top 1%
61
Patents All Time

Issued Patents All Time

Showing 1–25 of 61 patents

Patent #TitleCo-InventorsDate
7636152 Cell counting board Kazuki Sugiyama 2009-12-22
6412898 Ink volume reduction system for an ink jet recording apparatus Toshimitsu Danzuka, Akio Suzuki, Yasushi Miura 2002-07-02
6234600 Image recording apparatus which can prevent bleeding at a border of a region to be recorded Toshimitsu Danzuka, Akio Suzuki, Yasushi Miura 2001-05-22
6179402 Image recording apparatus having a variation correction function Akio Suzuki, Yoshihiro Takada 2001-01-30
6130686 Color image forming apparatus using inks of plural densities Toshimitsu Danzuka, Akio Suzuki, Haruhiko Moriguchi, Yasushi Miura 2000-10-10
6126264 Apparatus and method for recording color images with increased image uniformity Akio Suzuki 2000-10-03
6097408 Ink jet recording apparatus Jiro Moriyama, Takashi Uchida, Haruhiko Moriguchi, Yasushi Miura, Masami Izumizaki 2000-08-01
6045210 Image recording apparatus having a variation correction fluid Akio Suzuki, Yoshihiro Takada 2000-04-04
6000776 Apparatus and method for regulating image density Akio Suzuki, Toshimitsu Danzuka, Haruhiko Moriguchi, Yoshihiro Takada, Yasushi Miura +5 more 1999-12-14
5943088 Image forming apparatus capable of controlling duration of light emission for each picture element Yuji Sakemi 1999-08-24
5909229 Recording apparatus in which pressure interference between closely-spaced ink jets is reduced Haruhiko Moriguchi, Nobuyuki Watanabe 1999-06-01
5896148 Ink jet recording apparatus with control electrode on recording heads preventing adhesion of satellite droplets Jiro Moriyama, Takashi Uchida, Haruhiko Moriguchi, Yasushi Miura, Masami Izumizaki 1999-04-20
5835681 Fuzzy inference image forming apparatus Satoshi Kaneko, Tokuharu Kaneko, Hiroaki Tsuchiya, Nobuo Nakazawa, Yasushi Miura +1 more 1998-11-10
5808632 Recording apparatus and method using ink jet recording head Yasushi Miura, Haruhiko Moriguchi, Akio Suzuki 1998-09-15
5786831 Ink jet recording apparatus for recording adjacent areas with plural colors Nobuhiko Takekoshi, Akio Suzuki 1998-07-28
5752140 Developing device using development bias having oscillating part and a quiescent part Toshimitsu Danzuka, Yuji Sakemi, Takeshi Menjo 1998-05-12
5736996 Image reading apparatus with a function for correcting nonuniformity in recording density Yoshihiro Takada, Akio Suzuki, Toshimitsu Danzuka, Haruhiko Moriguchi, Masami Izumizaki +1 more 1998-04-07
5731825 Image recording apparatus and method Toshimitsu Danzuka, Akio Suzuki, Yasushi Miura 1998-03-24
5697012 Method and apparatus for color image formation with gradation control capability Nobuatsu Sasanuma, Koji Amemiya, Tatsuo Takeuchi, Haruhiko Moriguchi, Takao Ogata 1997-12-09
5652650 Color image apparatus including a plurality of developing devices having a particular sequence of operation Takeshi Menjo, Yoshihiro Murasawa, Takashi Hasegawa 1997-07-29
5646659 Ink jet recording apparatus, and method with control of ink drops and ink mist Jiro Moriyama, Yutaka Koizumi, Toshiaki Hirosawa, Torachika Osada, Haruhiko Moriguchi +2 more 1997-07-08
5619746 Image forming apparatus having recording material bearing member Takahiro Kubo, Yoshihiro Murasawa, Takeshi Menjo, Takashi Hasegawa, Satoshi Tamura 1997-04-08
5615311 Image processing apparatus Sono Gu 1997-03-25
5596353 Image reading apparatus with a function for correcting nonuniformity in recording density Yoshihiro Takada, Akio Suzuki, Toshimitsu Danzuka, Haruhiko Moriguchi, Masami Izumizaki +1 more 1997-01-21
5589920 Image forming apparatus in which plural transfer media are carried concurrently Takahiro Kubo, Masashi Suda, Yoshihiro Murasawa, Takashi Hasegawa, Satoshi Tamura +1 more 1996-12-31