TA

Takayuki Aizawa

Canon: 14 patents #4,747 of 19,416Top 25%
SE Seiko Epson: 4 patents #3,385 of 7,774Top 45%
HI Hitachi: 3 patents #10,712 of 28,497Top 40%
Overall (All Time): #208,972 of 4,157,543Top 6%
21
Patents All Time

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
10071558 System, control method therefor, printing apparatus, and control method therefor Takeru Sasaki, Yusuke Hashii, Akitoshi Yamada, Kentaro Yano 2018-09-11
8740362 Ink tank Ryoji Inoue, Haruo Uchida, Yasuo Kotaki, Tetsuya Ohashi, Hiroki Hayashi +5 more 2014-06-03
7583038 Motor-driving circuit and recording apparatus including the same 2009-09-01
7382475 Printer, information processing apparatus, and control method of interface 2008-06-03
7271554 Motor-driving circuit and recording apparatus including the same 2007-09-18
7116432 Power control for a printing unit with a maintenance function 2006-10-03
7090344 Ink cartridge for use in an ink jet recording apparatus Satoshi Shinada, Minoru Usui, Takahiro Naka, Hisashi Koike, Tomio Yokoyama +4 more 2006-08-15
6899417 Ink cartridge for use in an ink jet recording apparatus Satoshi Shinada, Minoru Usui, Takahiro Naka, Hisashi Koike, Tomio Yokoyama +4 more 2005-05-31
D442221 Ink cartridge for printer Takeo Seino, Yasuhiro Ogura 2001-05-15
D440600 Ink cartridge for printer Takeo Seino, Yasuhiro Ogura 2001-04-17
5694330 Error correction method including erasure correction, and apparatus therefor Keiichi Iwamura, Izumi Narita, Takatoshi Suzuki 1997-12-02
5646993 Information reproducing method and apparatus having protect function and recording medium used in apparatus 1997-07-08
5497362 Drive interface for performing write/read of information 1996-03-05
5315600 Error correction system including a plurality of processor elements which are capable of performing several kinds of processing for error correction in parallel Keiichi Iwamura, Izumi Narita, Takatoshi Suzuki 1994-05-24
5293361 Information processing method and apparatus therefor in which an erasing device is driven for a period longer than a necessary period 1994-03-08
5289451 Optical information recording/reproduction apparatus including means for detecting the type of recording medium Takaaki Ashinuma, Shigeru Aoi, Makoto Shiho, Yasuo Suzuki, Takehiko Shibata +2 more 1994-02-22
5237496 Inventory control method and system Akira Kagami, Koichi Homma, Kichizo Akashi, Hiroshi Mori 1993-08-17
5179643 Method of multi-dimensional analysis and display for a large volume of record information items and a system therefor Koichi Homma, Akira Kagami, Kichizo Akashi, Shigeki Hirata, Hiroshi Mori 1993-01-12
5128861 Inventory control method and system Akira Kagami, Koichi Homma, Kichizo Akashi, Hiroshi Mori 1992-07-07
5093817 Method and apparatus for recording information on an opto-magnetic recording medium by applying a modulated light beam while applying a magnetic field alternating with a constant period Eiichi Fujii, Masaharu Tsukada, Tohru Tatsuno, Yasuyuki Tamura, Norio Hashimoto 1992-03-03
4849956 Information recording and reproducing apparatus 1989-07-18