YI

Yukio Izumi

IP Izumi Products: 8 patents #7 of 54Top 15%
Mitsubishi Electric: 6 patents #4,940 of 25,717Top 20%
Overall (All Time): #322,294 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
9705679 Data authentication device and data authentication method Manabu MISAWA, Nobuhiro Kobayashi, Tsuneo Sato 2017-07-11
8004404 Information storage device, information storage program, verification device and information storage method Keiki Yamada 2011-08-23
7171751 Electric shaver Seiji Iwashita, Akira Hirabayashi, Hiromi Uchiyama 2007-02-06
7143515 Electric shaver Akira Hirabayashi, Seiji Iwashita, Hiroshi Kobayashi, Tetsuya AKABANE, Hiromi Uchiyama 2006-12-05
6931731 Electric shaver Akira Hirabayashi, Seiji Iwashita, Hiroshi Kobayashi, Tetsuya AKABANE, Hiromi Uchiyama 2005-08-23
6823590 Electric rotary shaver Hiromi Uchiyama, Tsuyoshi Nakano, Kyoichi Kawafune 2004-11-30
6789322 Electric shaver Seiji Iwashita, Akira Hirabayashi 2004-09-14
6199282 Electric shaver Hiromi Uchiyama 2001-03-13
6016959 Card drive apparatus and card Masayoshi Kamo, Kazuo Hasegawa, Atsuo Onoda, Yuuji Oomura, Masao Sato +5 more 2000-01-25
5983501 Electric shaver 1999-11-16
5942744 Card drive apparatus and card Masayoshi Kamo, Kazuo Hasegawa, Atsuo Onoda, Yuuji Oomura, Masao Sato +5 more 1999-08-24
5870248 Frame for flexible disk drive unit having distortion prevention hole and 2 ribs formed around motor attaching hole Satoru Akutsu, Kazuya Oda, Katsumi Kurita, Hideto Nishimura, Koichi Okubo +5 more 1999-02-09
5616994 Drive circuit for brushless motor Hidetada Nagaoka, Atsuo Onoda, Keiichi Nishikawa, Yuuji Oomura, Mitinaga Suzuki +1 more 1997-04-01
D362320 Electric shaver 1995-09-12
D356184 Electric shaver 1995-03-07