KM

Koji Matsukuma

Tdk: 8 patents #764 of 3,796Top 25%
Overall (All Time): #662,756 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
6713368 Etching mask and magnetic head device 2004-03-30
6604275 Method of manufacturing thin-film magnetic head Tetsuya Mino, Yasufumi Uno, Koichi Terunuma, Masahiro Kondo 2003-08-12
6586049 Patterning method using mask and manufacturing method for composite type thin film magnetic head using the patterning method Yasufumi Uno, Toru Inoue, Tetsuya Mino 2003-07-01
6303392 Etching mask, method of making same, etching method, magnetic head device and method of manufacturing same 2001-10-16
6188543 Thin film magnetic head Koichi Terunuma, Yasufumi Uno, Tetsuya Mino 2001-02-13
6178065 Thin film magnetic head and manufacturing method of the head Koichi Terunuma, Yasufumi Uno, Tetsuya Mino 2001-01-23
6169642 Thin-film magnetic head having a three-layer pole tip structure Tetsuya Mino, Yasufumi Uno, Koichi Terunuma, Masahiro Kondo 2001-01-02
6151193 Thin film magnetic head Koichi Terunuma, Yasufumi Uno, Tetsuya Mino 2000-11-21