Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
HK

Hitotoshi Kimura — 171 Patents

SESeiko Epson: 170 patents #6 of 7,774Top 1%
SCSanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%
Overall (All Time): #4,730 of 4,157,543Top 1%
171 Patents All Time

Issued Patents All Time

Showing 126–150 of 171 patents

Patent #TitleCo-InventorsDate
7488067 Liquid container, liquid ejection device and liquid container case Taku Ishizawa, Takeo Seino 2009-02-10
D585488 Ink cartridge Izumi Nozawa 2009-01-27
7472804 Liquid storage unit and liquid ejecting apparatus 2009-01-06
7452062 Liquid container with structure for controlling leaked liquid Yasuto Sakai, Satoshi Shinada, Michinari Tsukahara, Masanori Kobayashi, Taku Ishizawa 2008-11-18
7438400 Liquid container, liquid ejecting device, and method of checking arrangement of liquid storing packs Michinari Tsukahara, Masanori Kobayashi, Morio Sato, Kenji Ochiai, Yasuto Sakai 2008-10-21
7438401 Inkjet recording apparatus and ink cartridge Takeo Seino, Kazumasa Harada, Kazuhiro Hashii, Atsuhiko Takeuchi 2008-10-21
7424824 Liquid sensing apparatus for a liquid container for supplying a liquid to a liquid consuming apparatus, and a liquid container in which the liquid sensing apparatus is built Minoru Usui, Kazuo Koshino 2008-09-16
7404628 Liquid container Takahiro Naka, Takahiro Katakura, Atsushi Kobayashi, Satoshi Shinada, Toshio Kumagai +6 more 2008-07-29
7396114 Liquid container Taku Ishizawa, Satoshi Shinada 2008-07-08
7393091 Liquid-jetting device Toshio Kumagai, Atsushi Kobayashi 2008-07-01
7387378 Liquid container, component for forming liquid container, and method for producing liquid container Taku Ishizawa 2008-06-17
7384133 Liquid container capable of maintaining airtightness Taku Ishizawa, Takeo Seino 2008-06-10
7380909 Ink cartridge for use with recording apparatus and ink jet recording apparatus Taku Ishizawa, Atsushi Kobayashi, Yoshiharu Aruga 2008-06-03
7370949 Liquid supplying member, method of manufacturing the same, and liquid ejection apparatus incorporating the same Akihiko Shiho, Toshio Kumagai, Atsushi Kobayashi, Masanori Takemura, Hitoshi Matsumoto 2008-05-13
7367662 Liquid container Taku Ishizawa, Izumi Nozawa 2008-05-06
7354135 Waste liquid collecting method, liquid injecting apparatus and cartridge set 2008-04-08
7316462 Ink jet recording apparatus Minoru Usui, Nobuhito Takahashi, Shuhei Harada 2008-01-08
7311761 Gas absorption device, method of manufacturing the same, and liquid container Taku Ishizawa, Satoshi Shinada, Michinari Tsukahara, Yasunao Uehara 2007-12-25
7293863 Method of filling a liquid container having a check valve and a flow path bypassing the check valve Takeo Seino, Taku Ishizawa, Yasunao Uehara, Masahide Matsuyama 2007-11-13
7293864 Liquid container with mounting and removal operation guide groove regulating movement Taku Ishizawa, Satoshi Shinada, Takeo Seino 2007-11-13
7226035 Valve device Izumi Nozawa 2007-06-05
7201475 Liquid supplying member, method of manufacturing the same, and liquid ejection apparatus incorporating the same Akihiko Shiho, Hitoshi Matsumoto, Toshio Kumagai 2007-04-10
7157727 Optical detector able to sense the presence of a container and content therein, and container and printer using the same 2007-01-02
7121652 Ink jet recording apparatus and cleaning control method for recording head incorporated therein Shuhei Harada, Hisashi Miyazawa, Hitoshi Hayakawa, Atsushi Kobayashi, Yoshiharu Aruga 2006-10-17
D528598 Ink cartridge for printer Taku Ishizawa, Takeo Seino 2006-09-19