KK

Kiyoshi Kobata

Sumitomo Electric Industries: 5 patents #5,365 of 21,551Top 25%
Overall (All Time): #1,048,250 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6037037 Magnetic recording medium Kazunori Kubota, Fumio Echigo, Yukihiro Shimasaki, Takumi Haneda, Hirofumi Ito +1 more 2000-03-14
5811179 Magnetic recording medium Kazunori Sakamoto, Hideo Hatanaka, Yasuhiro Ueyama, Kazunori Kubota, Hideki Okumura 1998-09-22
5701225 Tape cassette having a minimized clamp set Hideki Okumura, Kazunori Sakamoto, Kazunori Kubota 1997-12-23
5355271 Tape cassette with resiliently mounted tape cleaner Masaru Watanabe, Tousaku Nishiyama, Tsumoru Ohata 1994-10-11
4809105 Flexible recording medium tensioning magnetic recording head Kiyokazu Imanishi, Wataru Watanabe 1989-02-28