YT

Yasuji Takagi

NC Nhk Spring Co.: 17 patents #21 of 1,116Top 2%
Ricoh Company: 4 patents #4,167 of 9,818Top 45%
NM Nippon Mektron: 2 patents #76 of 286Top 30%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
Tdk: 1 patents #2,493 of 3,796Top 70%
Overall (All Time): #186,264 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
7359157 Resin and metal head suspension for disk drive Norio Horie, Osamu Ohkawara, Masao Hanya, Kouji Uozumi 2008-04-15
7346976 Method for manufacturing a suspension for disc drive Koji Uozumi, Masao Hanya, Noriyuki Saito 2008-03-25
7133259 Head suspension for disk drive and method of manufacturing head suspension Osamu Iriuchijima, Masao Hanya, Tsukasa Higashi, Takumi Karasawa 2006-11-07
7088558 Disk drive head suspension with flexure and load beam supported on opposite sides of carriage arm Hidenori Ogawa, Ichiro Takadera 2006-08-08
6981315 Method of manufacturing a flexure blank Norimasa Fujita, Akira Tadakuma, Ichiro Takadera, Akira Nojima, Masashi Shiraishi +1 more 2006-01-03
6956720 Head suspension for disk drive having a recess between a flange contact face and a boss Takumi Karasawa, Hidenori Ogawa 2005-10-18
6940696 Head suspension for disk drive having a contact face to receive jig Noriyuki Saitoh, Akira Nojima, Hideki Fuchino 2005-09-06
6934125 Suspension for disc drive and manufacturing method therefor Koji Uozumi, Masao Hanya, Noriyuki Saito 2005-08-23
6798618 Head suspension for disk drive Norio Horle, Osamu Ohkawara, Masao Hanya, Kouji Uozumi 2004-09-28
6735050 Suspension with cover portion comprising part of flexure for disc drive Masao Hanya, Osamu Iriuchijima, Tetsuya Fujiwara, Ryozo Oomoto 2004-05-11
6721133 Suspension with separate hinge member for disc drive Masao Hanya, Osamu Iriuchijima 2004-04-13
6594115 Suspension with chamfered edge for disc drive Takeshi Kamisaku 2003-07-15
6571455 Method of manufacturing head suspension for disk drive, and semi-finished suspension Takeshi Kamisaku 2003-06-03
6560072 Base plate for a suspension of a disk drive fixed to a load beam having a notch for reducing the size of a burr Kazuhiko Otake, Takeshi Kamisaku 2003-05-06
6500011 Flexure blank and method of manufacturing the same Norimasa Fujita, Akira Tadakuma, Ichiro Takadera, Akira Nojima, Masashi Shiraishi +1 more 2002-12-31
6388843 Suspension for disc drive Koji Uozumi, Akihiro Takei, Jyun Soga, Kenichi TAKIGAWA 2002-05-14
6313971 Suspension for supporting magnetic head Nobuo Araki, Kenji Endo 2001-11-06
6191915 Suspension for disc drive that is capable of restraining excessive inclination of a head or occurrence of dimple separation when it is shocked, without enhancing the stiffness of a flexure Akinobu Ishizaka, Osamu Ohkawara, Hideki Kashima, Osamu Iriuchijima 2001-02-20
5122837 Toner cartridge for an image forming apparatus Yoshihide Sonoda, Kouji Ishigaki 1992-06-16
5057867 Image forming apparatus which corrects the image forming factors in response to density sensing means and duration of inactive state Kouji Ishigaki 1991-10-15
5044545 Oil cooler and process for manufacturing the same Masayuki Matsuda, Toyoharu Nishimura, Mamoru Tanaka, Naoki Norimatsu 1991-09-03
5045883 Image density control method using exclusive patterns for an image forming apparatus Kouji Ishigaki 1991-09-03
4963938 Toner cartridge for an image forming apparatus Yoshihide Sonoda, Kouji Ishigaki 1990-10-16