YI

Yuji Ichikawa

Sharp Kabushiki Kaisha: 9 patents #1,853 of 10,731Top 20%
DE Denso: 3 patents #3,857 of 11,792Top 35%
UK Uro Denshi Kogyo Kabushiki Kaisha: 2 patents #6 of 13Top 50%
Aisin Seiki Kabushiki Kaisha: 1 patents #2,094 of 3,782Top 60%
SO Sony: 1 patents #17,262 of 25,231Top 70%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
Overall (All Time): #301,378 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
7394771 Apparatus and method for data communication including establishing communication using tone signal Daisuke Nakano, Kazuyuki Sumi, Takashi Nishimura, Fumihiro Fukae 2008-07-01
7374427 Coaxial cable distributor Makoto Kodaira, Jun Kimura 2008-05-20
7333518 Transmission method and transmission system as well as communications device Koji Sakai, Masafumi Takahashi, Hitoshi Naoe 2008-02-19
7177283 Transmitting and receiving circuit and transmitting and receiving method Fumihiro Fukae 2007-02-13
6980616 Transmission method and device Daisuke Nakano, Takashi Nishimura, Masafumi Takahashi, Kazuyuki Sumi, Toru Ueda 2005-12-27
6804205 Method and apparatus for transmitting packet for synchronization using half duplex transmission medium Takashi Nishimura, Daisuke Nakano, Kazuyuki Sumi, Toru Ueda 2004-10-12
6802030 Data transfer method Daisuke Nakano, Kiyoshi Miura 2004-10-05
6554490 Electronic apparatus having communication function using detachable communication cable, capable of reducing power consumption and stable operation Kazuyuki Sumi, Hirohisa Wakai, Takashi Nishimura, Masafumi Takahashi, Daisuke Nakano +2 more 2003-04-29
6137156 Semiconductor device employing silicon nitride layers with varied hydrogen concentration Yasushi Tanaka, Yasuo Souki, Ryouichi Kubokoya, Akira Kuroyanagi, Hirohito Shioya 2000-10-24
6090718 Dry etching method for semiconductor substrate Hajime Soga, Kenji Kondo, Eiji Ishikawa, Yoshikazu Sakano 2000-07-18
5783772 Leakage radiation preventing element Michiharu Takahashi, Hitoshi Komine 1998-07-21
5714408 Method of forming silicon nitride with varied hydrogen concentration Yasushi Tanaka, Yasuo Souki, Ryouichi Kubokoya, Akira Kuroyanagi, Hirohito Shioya 1998-02-03
5684830 Noise removing device and data communication apparatus using the same Katsuya Nakagawa, Akira Imai, Hiroshi Uno 1997-11-04
5585952 Communication apparatus automatically selecting one of two operation modes Akira Imai, Kaoru Hieda, Masahiko Tsukamoto 1996-12-17
5013888 Self-cleaning plate shaped device Shoji Okada, Naofumi Fujie, Tomoaki Imaizumi, Koji Ito, Kazumi Hayashi 1991-05-07
4947325 Diagnostic system for rotational speed sensors in drive train of four wheels drive vehicle having central differential device Yasunari Iwata, Seiichi Nishikawa 1990-08-07