MM

Masuo Maruyama

Sumitomo Electric Industries: 6 patents #4,612 of 21,551Top 25%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
Overall (All Time): #741,488 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
8752080 Turntable having elastic layer with high contact pressure portion Teruyuki Naka, Shinichi Maeda, Yuji Ariyoshi, Hiroshi Takahashi 2014-06-10
7421720 Optical disk device Kanji Wakabayashi, Yoshito Saji 2008-09-02
7260041 Disk drive Kozo Ezawa, Takeo Santo, Masahiro Inata, Yoshito Saji, Teruyuki Takizawa +3 more 2007-08-21
6469865 Disk apparatus 2002-10-22
6449232 Disk type determination method Masaya Kuwahara, Shinichi Yamada, Hiroyuki Yamaguchi, Masanari Mohri, Akihiro Sakaguchi +2 more 2002-09-10
4727444 Loading device for a cartridge Yasuhisa Fukushima, Yoshinobu Nakata, Benichi Miyazaki 1988-02-23
4680662 Disk cartridge having a shutter mechanism Yasuhisa Fukushima, Benichi Miyazaki 1987-07-14