ES

Eisuke Sawai

Sumitomo Electric Industries: 10 patents #2,734 of 21,551Top 15%
Overall (All Time): #524,437 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
6588092 Method for producing a magnetic head, the magnetic head including a pair of magnetic core halves Nozomu Matsukawa, Masayoshi Hiramoto, Hiroshi Sakakima, Koichi Osano 2003-07-08
6590741 Magnetic head having grooves to enhance contact with magnetic recording media and magnetic recording/reproducing apparatus Kenji Hasegawa, Hiroyuki Hasegawa, Ken Takahashi, Hiromi Takeda 2003-07-08
6433958 Magnetic head, method for producing the same, video recording and reproduction apparatus including the magnetic head, and video camera including the magnetic head Nozomu Matsukawa, Masayoshi Hiramoto, Hiroshi Sakakima, Koichi Osano 2002-08-13
6150044 Magnetic head Hiroyuki Hasegawa, Ken Takahashi, Akihiro Ashida, Hiromi Takeda 2000-11-21
5208971 Process of manufacturing a magnetic head Shunsaku Muraoka, Etsuko Suzuki 1993-05-11
5170301 Magnetic head having core parts joined by low-melting point crystallized glass with composite gap Syunsaku Muraoka, Etsuko Suzuki 1992-12-08
4985796 Magnetic head with a tape contacting surface having a metal filled channel therein Keita Ihara, Hiroshi Yohda, Ken Takahashi 1991-01-15
4890379 Method for manufacturing magnetic head Hiroshi Yohda, Ken Takahashi, Syunsaku Muraoka, Keita Ihara 1990-01-02
4841401 Amorphous magnetic head Mitsuo Satomi, Akio Kuroe, Masaru Higashionji, Hiroshi Sakakima, Kenji Kondo 1989-06-20
4755898 Amorphous magnetic head Masaru Higashionji, Akio Kuroe, Mitsuo Satomi, Hiroshi Sakakima, Kenji Kondo 1988-07-05