KK

Kengo Kainuma

FC Fuji Electric Device Technology Co.: 3 patents #23 of 205Top 15%
FC Fuji Electric Co.: 2 patents #952 of 2,643Top 40%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
Overall (All Time): #1,028,809 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7622205 Disk substrate for a perpendicular magnetic recording medium and a perpendicular magnetic recording medium using the substrate Hiroyuki Uwazumi, Youichi Tei, Kazuhito Higuchi, Akira Iso, Hajime Kurihara 2009-11-24
7428828 Press die of disk with shaft shaped portion Tatsumi Kawata, Kazuo Nimura, Kunio Hibino, Hidenao Kataoka 2008-09-30
7313930 Method and apparatus for manufacturing glass substrate for storage medium Tatsumi Kawata, Kunio Hibino, Tomokazu Tokunaga 2008-01-01
6997019 Molding process of disk with shaft shaped portion Tatsumi Kawata, Kazuo Nimura, Kunio Hibino, Hidenao Kataoka 2006-02-14
5889813 Levitation melting furnace Michiru Fujita, Tatsuo Take, Hideaki Tadano, Masaki Sakuma 1999-03-30