JN

Junji Numazawa

NK Nippon Hoso Kyokai: 4 patents #66 of 703Top 10%
SS Sankyo Seiki Seisakusho: 2 patents #74 of 287Top 30%
MC Mitsumi Electric Co.: 2 patents #346 of 935Top 40%
Pioneer: 1 patents #1,107 of 1,730Top 65%
SC Sumitomo Special Metals Co.: 1 patents #136 of 262Top 55%
Overall (All Time): #876,757 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6859342 Magnetic head device with a short auxiliary member Yasuhiko Shinjo, Morio Kondo, Akira Nakamura, Toshihiro Uehara, Naoto Hayashi +2 more 2005-02-22
6538855 Magneto-resistive thin film magnetic head preventing entry of unnecessary magnetic flux and having good reproduction characteristics Akira Nakamura, Morio Kondo, Norio Hasegawa, Yasuhiko Shinjo, Kenji Machida +3 more 2003-03-25
6282067 Magnetic reproducing head having a magnetoresistive effect Kenji Machida, Naoto Hayashi, Yoshiro Yoneda, Makiko Kohro, Takahisa Tanabe +1 more 2001-08-28
5218499 Thin-film magnetic head for perpendicular magnetic recording having a magnetic member with grooves crossing at right angles formed in a principal surface thereof Toshiaki Wada, Hideki Mine, Naoto Hayashi 1993-06-08
5027246 Thin film magnetic head and a method for manufacturing thereof Fusayoshi Aruga 1991-06-25
5014148 Perpendicular magnetic recording and reproducing head Yoshiro Yoneda, Fusayoshi Aruga 1991-05-07