KO

Koutarou Oka

Mitsubishi Electric: 8 patents #3,714 of 25,717Top 15%
Bridgestone: 1 patents #1,586 of 2,860Top 60%
Overall (All Time): #585,721 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
6842907 Cartridge transfer device for a disk loading mechanism Yasuyuki Nakanishi, Kei Shirahata, Shigehiro Itou, Tatsunori Fujiwara 2005-01-11
6760914 Disk reproducing apparatus Yasuyuki Nakanishi, Kei Shirahata, Shigehiro Itou, Tatsunori Fujiwara 2004-07-06
6359854 Disk reproducing apparatus Yasuyuki Nakanishi, Kei Shirahata, Shigehiro Itou, Tatsunori Fujiwara 2002-03-19
5953307 Disk reproducing apparatus for storing a plurality of cartridges Yasuyuki Nakanishi, Kei Shirahata, Shigehiro Itou, Tatsunori Fujiwara 1999-09-14
5831965 Cartridge changing device Tatsunori Fujiwara, Takashi Matsuda, Yasuyuki Nakanishi, Kei Shirahata, Shigehiro Itoh 1998-11-03
5790507 Cartridge changing device Tatsunori Fujiwara, Takashi Matsuda, Yasuyuki Nakanishi, Kei Shirahata, Shigehiro Itoh 1998-08-04
5663850 Cartridge handling apparatus Yasuyuki Nakanishi, Kei Shirahata, Shigehiro Itou, Tatsunori Fujiwara 1997-09-02
5587989 Cartridge changing apparatus including a pair of base carriers and a pair of slide carriers Tatsunori Fujiwara, Yasuyuki Nakanishi, Kei Shirahata, Shigehiro Itou 1996-12-24
D351821 Wheel 1994-10-25