KW

Katsuhiko Wakayama

Tdk: 9 patents #675 of 3,796Top 20%
TC Tokyo Magnetic Printing Co.: 1 patents #23 of 46Top 50%
Overall (All Time): #581,289 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
8038808 Flat soft magnetic material and process for its production Atsuhito Matsukawa, Hideharu Moru, Naoyoshi Sato, Yoshihito Hirai, Toshihisa Murayoshi 2011-10-18
7799147 Flaky soft magnetic metal powder and magnetic core member for RFID antenna Atsuhito Matsukawa, Yoshihito Hirai 2010-09-21
7323214 Composite magnetic material electromagnetic wave absorbing sheet method for manufacturing sheet-like product and method for manufacturing electromagnetic wave absorbing sheet Masahiro Karatsu, Tsutomu Chou, Yasuo Hashimoto 2008-01-29
6310837 Magnetic recording medium Tsutomu Chou, Masao Shigeta, Masahiro Karatsu, Mari Fujii, Chikara Ishizaka +3 more 2001-10-30
6149704 Ferromagnetic powder for dust cores, dust core, and dust core fabrication process Hideharu Moro, Takeo Tsukada 2000-11-21
5443787 Method for preparing iron system soft magnetic sintered body Teruo Mori, Norishige Yamaguchi 1995-08-22
4626370 Magnetic fluid Hiraku Harada 1986-12-02
4624797 Magnetic fluid and process for preparing the same Hiraku Harada 1986-11-25
4608186 Magnetic fluid Hiraku Harada 1986-08-26