KS

Koichi Shinohara

Sumitomo Electric Industries: 15 patents #1,596 of 21,551Top 8%
AS Automotive Energy Supply: 3 patents #10 of 87Top 15%
JS Jfe Steel: 2 patents #578 of 1,401Top 45%
EJ Envision Aesc Japan: 2 patents #17 of 109Top 20%
Kioxia: 2 patents #693 of 1,813Top 40%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
Tdk: 1 patents #2,493 of 3,796Top 70%
DI Disco: 1 patents #384 of 708Top 55%
HC Hitachi Information Technology Co.: 1 patents #20 of 121Top 20%
Overall (All Time): #135,498 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
4323629 Metallic thin film magnetic recording medium Toshiaki Kunieda, Masaru Odagiri, Takashi Fujita 1982-04-06
4239835 Magnetic recording medium Yasuo Iijima, Takashi Fujita, Masaru Odagiri, Toshiaki Kunieda 1980-12-16
4220117 Apparatus for fabrication of magnetic recording media 1980-09-02