ST

Shigeaki Tanaka

HI Hitachi: 15 patents #2,636 of 28,497Top 10%
Canon: 11 patents #5,840 of 19,416Top 35%
FU Fujifilm: 10 patents #889 of 4,519Top 20%
FI Fujikin Incorporated: 8 patents #57 of 318Top 20%
Tdk: 7 patents #849 of 3,796Top 25%
Fujitsu Limited: 5 patents #6,029 of 24,456Top 25%
UN Unknown: 3 patents #7,366 of 83,584Top 9%
TO Tadahiro Ohmi: 2 patents #13 of 65Top 20%
SE Seiko Epson: 1 patents #5,551 of 7,774Top 75%
Overall (All Time): #44,601 of 4,157,543Top 2%
56
Patents All Time

Issued Patents All Time

Showing 26–50 of 56 patents

Patent #TitleCo-InventorsDate
D575781 Magnetic disc storage unit for electronic computer Kazuhiko Nishiyama, Toshiyuki Utsuki, Kenichi Miyamoto, Yasuji Morishita 2008-08-26
7414835 Disk array system Yasuyuki Katakura, Yasuji Morishita 2008-08-19
7394616 Storage apparatus casing with interchangeable disk drive and control boxes Shinichi Nishiyama, Yoji Okabe, Tadaharu Maeda, Kentarou Abe 2008-07-01
7300503 Dye mixture and ink containing the same, inkjet recording method and image forming method Keiichi Tateishi, Yoshiharu Yabuki 2007-11-27
7242580 Disk array apparatus 2007-07-10
7219988 Water-soluble phthalocyanine compound-containing ink for ink jetting, ink jet recording method and method for improving ozone gas discoloration of colored image material Naoyuki Hanaki, Keiichi Tateishi 2007-05-22
7211134 Dye mixture and ink containing the same Keiichi Tateishi, Yoshiharu Yabuki 2007-05-01
7113364 Storage apparatus casing with interchangeable disk drive and control boxes Shinichi Nishiyama, Yoji Okabe, Tadaharu Maeda, Kentarou Abe 2006-09-26
7108743 Coloring composition for image formation and method for improving ozone resistance of color image Toshiki Fujiwara, Naoyuki Hanaki, Tadashi Omatsu, Yoshiharu Yabuki 2006-09-19
7109336 Azo compound and process of producing the same, and novel compound and process of producing azo compounds using the same Toshiki Fujiwara, Naoyuki Hanaki, Tadashi Omatsu, Yoshiharu Yabuki 2006-09-19
7097701 Phthalocyanine compound, ink, inkjet recording method, and image forming method Keiichi Tateishi, Yoshiharu Yabuki 2006-08-29
7061715 Disk array apparatus Kenichi Miyamoto, Yasuji Morishita, Yasuyuki Katakura, Yoshikatsu Kasahara 2006-06-13
7031153 Disk module, and disk array apparatus Yasuji Morishita 2006-04-18
6648020 Fluid control apparatus and gas treatment system comprising same Hideki Fujimoto, Noboru Uzawa, Naoyuki Sato, Michio Yamaji, Yuji Kawano +2 more 2003-11-18
6632594 Photographic processing composition containing a diaminostilbene derivative and image forming method using the same Yasufumi Nakai, Keizo Kimura, Yoshiharu Yabuki 2003-10-14
6615871 Fluid control apparatus Tadahiro Ohmi, Hiroshi Morokoshi, Michio Yamaji, Keiji Hirao, Yuji Kawano +5 more 2003-09-09
6290344 Vented ink container with internal ink absorber, and ink cartridge having such an ink container Hideo Saikawa, Seiichiro Karita, Toshio Kashino, Akio Saito, Hiroshi Nakagomi +10 more 2001-09-18
6260962 Liquid jetting device having a mechanism for introducing a bubble into a liquid chamber and recording apparatus using the device Kentaro Yano, Masami Ikeda, Hiromitsu Hirabayashi, Miyuki Matsubara, Naoji Otsuka +2 more 2001-07-17
6113223 Ink jet recording head with ink chamber having slanted surfaces to aid bubble removal Nobuyuki Kuwabara, Akira Goto, Takashi Watanabe, Kunihiko Maeoka, Masaaki Izumida +18 more 2000-09-05
6039360 Couplings for fluid controllers Tadahiro Ohmi, Michio Yamaji, Tsutomu Shinohara, Shigeru Itoi, Keiji Hirao +4 more 2000-03-21
6035893 Shutoff-opening devices and fluid control apparatus comprising such devices Tadahiro Ohmi, Michio Yamaji, Nobukazu Ikeda, Masayuki Hatano, Kosuke Yokoyama 2000-03-14
5988217 Shutoff-opening device Tadahiro Ohmi, Keiji Hirao, Michio Yamaji, Hiroshi Morokoshi, Nobukazu Ikeda 1999-11-23
5983933 Shutoff-opening device Tadahiro Ohmi, Yuji Kawano, Keiji Hirao, Hisashi Tanaka, Naoya Masuda +8 more 1999-11-16
5841455 Ink container for ink jet recording having two different ink absorbing materials including a fibrous material Masami Ikeda, Naohito Asai, Nobuyuki Kuwabara, Makiko Kimura, Teruo Arashima +1 more 1998-11-24
5623287 Ink container with a controlled ink distribution therein, and method of filling the same Hideo Saikawa, Seiichiro Karita, Toshio Kashino, Akio Saito, Hiroshi Nakagomi +10 more 1997-04-22