TK

Takashi Kumagai

SE Seiko Epson: 52 patents #186 of 7,774Top 3%
Mitsubishi Electric: 26 patents #631 of 25,717Top 3%
SO Sony: 14 patents #3,108 of 25,231Top 15%
HI Hitachi: 5 patents #7,555 of 28,497Top 30%
Applied Materials: 2 patents #3,641 of 7,310Top 50%
TL Tokyo Electron Limited: 2 patents #2,602 of 5,567Top 50%
MA Makita: 2 patents #391 of 770Top 55%
MK Mitsubishi Denki K.K.: 1 patents #164 of 577Top 30%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
HE Hitachi Vlsi Engineering: 1 patents #390 of 666Top 60%
ML Mitsubishi Electric Lighting: 1 patents #8 of 29Top 30%
Overall (All Time): #12,830 of 4,157,543Top 1%
106
Patents All Time

Issued Patents All Time

Showing 26–50 of 106 patents

Patent #TitleCo-InventorsDate
8547773 Integrated circuit device and electronic instrument Takayuki Saiki, Satoru Ito, Masahiko Moriguchi, Hisanobu Ishiyama, Takashi Fujise +3 more 2013-10-01
8547722 Integrated circuit device and electronic instrument Satoru Ito, Masahiko Moriguchi, Kazuhiro Maekawa, Noboru Itomi, Satoru Kodaira +3 more 2013-10-01
8447698 Communication system, communication method, distribution apparatus, distribution method and terminal apparatus Izuru Tanaka 2013-05-21
8345365 Data processing system having data reproduction independent of data processing Toshiyuki Arai, Hajime Inai, Hiroaki Sato, Fumitake Yodo, Masami Oyama 2013-01-01
8339352 Integrated circuit device and electronic instrument Kanji Natori 2012-12-25
8310478 Integrated circuit device and electronic instrument Hisanobu Ishiyama, Kazuhiro Maekawa, Satoru Ito, Takashi Fujise, Junichi Karasawa +3 more 2012-11-13
8249516 Apparatus for automatically separating and detecting noise radio waves Hideki Kumagai 2012-08-21
8232830 Rectifier with less conduction loss than a diode Miyuki Takeshita, Akihiko Iwata, Ikuro Suga, Shigeki Harada, Kenichi Kawabata +1 more 2012-07-31
8225235 Reproduction apparatus and reproduction method Naoko Takeda, Kissei Matsumoto, Toshihide Ooba, Hiroshi Iwata, Shingo Yamade 2012-07-17
8197310 Dust box and electric tool with the dust box Yukio Yamashiro, Hirokazu Hagiwara, Yoshifumi Morita 2012-06-12
8188544 Integrated circuit device and electronic instrument Hisanobu Ishiyama, Kazuhiro Maekawa, Satoru Ito, Takashi Fujise, Junichi Karasawa +3 more 2012-05-29
8159766 Data processing system having data reproduction independent of data processing Toshiyuki Arai, Hajime Inai, Hiroaki Sato, Fumitake Yodo, Masami Oyama 2012-04-17
8081149 Integrated circuit device and electronic instrument Kanji Natori 2011-12-20
8066554 Dust box and electric tool with the dust box Yukio Yamashiro, Hirokazu Hagiwara, Yoshifumi Morita 2011-11-29
8054710 Integrated circuit device and electronic instrument Satoru Ito, Masahiko Moriguchi, Kazuhiro Maekawa, Noboru Itomi, Satoru Kodaira +3 more 2011-11-08
8004204 Power circuit and illumination apparatus Takafumi Nonaka, Noriyuki Matsubara, Kazuo Ban, Koichi Saito 2011-08-23
7986541 Integrated circuit device and electronic instrument Satoru Kodaira, Noboru Itomi, Shuji Kawaguchi, Junichi Karasawa, Satoru Ito 2011-07-26
7924833 Packet transfer unit Tatsuo Kanetake, Kazuo Sugai 2011-04-12
7859928 Integrated circuit device and electronic instrument Satoru Kodaira, Noboru Itomi, Shuji Kawaguchi, Junichi Karasawa, Satoru Ito 2010-12-28
7782694 Integrated circuit device and electronic instrument Satoru Kodaira, Noboru Itomi, Shuji Kawaguchi, Junichi Karasawa, Satoru Ito +2 more 2010-08-24
7764278 Integrated circuit device and electronic instrument Hisanobu Ishiyama, Kazuhiro Maekawa, Satoru Ito, Takashi Fujise, Junichi Karasawa +2 more 2010-07-27
7755587 Integrated circuit device and electronic instrument Hisanobu Ishiyama, Kazuhiro Maekawa, Satoru Ito, Takashi Fujise, Junichi Karasawa +1 more 2010-07-13
7719865 Power conversion apparatus Akihiko Iwata, Makoto Seto, Masaki Yamada, Shigeki Harada, Noriyuki Matsubara 2010-05-18
7711698 Communication system, communication method, distribution apparatus, distribution method and terminal apparatus Izuru Tanaka 2010-05-04
7616520 Integrated circuit device and electronic instrument Satoru Kodaira, Noboru Itomi, Shuji Kawaguchi, Junichi Karasawa, Satoru Ito 2009-11-10