Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8177912 | Evaporation source and vacuum evaporator using the same | Atsushi Oda, Toshiro Kobayashi, Keiichi Sato, Hiroko Kitamoto, Susumu Kamikawa | 2012-05-15 |
| 7596066 | Optical disc apparatus having constant voltage control of a spindle motor | — | 2009-09-29 |
| 7315498 | DVD reproducing apparatus, disk reproducing apparatus and DVD reproducing method | — | 2008-01-01 |
| 7224659 | Disk reproducing device with suppressed reproduction signal error | — | 2007-05-29 |
| 7215613 | Optical disk apparatus | — | 2007-05-08 |
| 7200089 | Disk reproducing device reproducing information recorded on recording medium by multiple recording devices | — | 2007-04-03 |
| 6222167 | Impedance matching apparatus for induction heating type galvanized steel sheet alloying system and method | Etsurou Hirai, Kazuya Tsurusaki, Yuuji Asahara, Kwang-Hee Han, Jae-Young Lee +2 more | 2001-04-24 |
| 6114675 | Alloying system and heating control device for high grade galvanized steel sheet | Etsurou Hirai, Kazuya Tsurusaki, Yuuji Asahara, Kwang-Hee Han, Jae-Young Lee +3 more | 2000-09-05 |