KT

Kiyokazu Tohma

Sumitomo Electric Industries: 5 patents #123 of 3,632Top 4%
Overall (2005): #6,733 of 245,428Top 3%
5
Patents 2005

Issued Patents 2005

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6961196 Master information carrier, method for producing the carrier, method and apparatus for writing information into magnetic record medium using the carrier Tatsuaki Ishida, Ryuji Sugita, Kazunari Yoshimoto, Keizou Miyata, Hiroshi Ryonai 2005-11-01
6909565 Magnetic transfer method and magnetic transfer apparatus Hideyuki Hashi, Taizou Hamada, Tatsuaki Ishida 2005-06-21
6898032 Method and apparatus for magnetic printing Hideyuki Hashi, Taizou Hamada, Tatsuaki Ishida 2005-05-24
6858328 Master information support Tatsuaki Ishida, Keizo Miyata, Yoriko Takai, Taizou Hamada, Hiroshi Ryonai 2005-02-22
6858329 Master disc and method for manufacturing magnetic disc using the same Taizou Hamada, Hideyuki Hashi, Tatsuaki Ishida, Nobuyuki Komura, Yasuaki Ban +1 more 2005-02-22