YF

Yutaka Fukuyama

SO Sony: 13 patents #3,381 of 25,231Top 15%
Kyocera: 1 patents #2,054 of 3,732Top 60%
LG: 1 patents #17,402 of 26,165Top 70%
Overall (All Time): #347,362 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
10827281 Audio output device Yukio Hiratsuka, Heeburm Ryu, Kousei Horiuchi 2020-11-03
9841812 Image display device and information input device Yuji Kitazawa, Seiji Wada, Kota Aizawa 2017-12-12
9723700 Illumination apparatus and storage medium Yoichiro Sako, Kazuhiro Watanabe, Kazuyuki Sakoda, Hiroshi Okada, Hirofumi Yuchi +4 more 2017-08-01
9307617 Illumination apparatus and storage medium Yoichiro Sako, Kazuhiro Watanabe, Kazuyuki Sakoda, Hiroshi Okada, Hirofumi Yuchi +4 more 2016-04-05
7088643 Magneto optical disc drive having insertion restricting and locking portions Takeshi Igarashi, Takashi Suezaki 2006-08-08
6982933 Recording and/or reproducing apparatus and recording medium cartridge holder Takeshi Igarashi, Takashi Suezaki 2006-01-03
6657925 Magneto-optical disk drive having first and second movable sliders Takeshi Igarashi, Takashi Suezaki 2003-12-02
6532205 Disk centering apparatus Hiroyuki Sato 2003-03-11
6404719 Disc recording and/or reproducing apparatus Shinji Ito, Atsushi Takamatsu 2002-06-11
5901130 Loading mechanism for a disc recording and/or reproducing apparatus Shinji Ito, Atsushi Takamatsu 1999-05-04
5684777 Disc loading mechanism for a disc recording and/or reproducing apparatus Shinji Ito, Atsushi Takamatsu 1997-11-04
5172283 Mode changing slider plate mechanism for tape recording and/or reproducing apparatus Yoshinori Yamamoto, Tatsuya Mototake, Yuji Sudoh 1992-12-15
5126909 Slider lock braking mechanism for setting modes in tape player Tatsuya Mototake, Masao Ohyama 1992-06-30
4777546 Cassette-type magnetic tape recording and/or reproducing apparatus with single motor for tape loading and unloading and for pinch roller actuation Tsuyoshi Nagasawa, Yoshinori Yamamoto, Masao Ohyama 1988-10-11