HI

Hiroyuki Ishikawa

TK Toshiba Tec Kabushiki Kaisha: 31 patents #73 of 1,664Top 5%
Brother Kogyo: 22 patents #376 of 2,767Top 15%
NE Nec: 11 patents #1,181 of 14,502Top 9%
SE Seiko Epson: 11 patents #1,668 of 7,774Top 25%
FU Fujifilm: 9 patents #988 of 4,519Top 25%
KS Kawasaki Steel: 8 patents #116 of 1,922Top 7%
Honda Motor Co.: 8 patents #2,726 of 21,052Top 15%
Rohm Co.: 8 patents #378 of 2,292Top 20%
PA Panasonic: 6 patents #4,438 of 21,108Top 25%
KT Kabushiki Kaisha Toshiba: 5 patents #5,683 of 21,451Top 30%
CP Chugai Pharmaceutical: 5 patents #198 of 1,238Top 20%
IL Isuzu Motors Limited: 4 patents #131 of 908Top 15%
SO Sony: 4 patents #8,966 of 25,231Top 40%
Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
SS Sumitomo Wiring Systems: 3 patents #955 of 2,615Top 40%
SI Sakata Inx: 3 patents #23 of 78Top 30%
TO Toyota: 3 patents #8,352 of 26,838Top 35%
Casio Computer Co.: 3 patents #744 of 1,970Top 40%
AT Autonetworks Technologies: 2 patents #557 of 1,079Top 55%
TL Toyota Central R&D Labs: 2 patents #528 of 1,657Top 35%
KC Konishi Co.: 2 patents #11 of 62Top 20%
UN Unknown: 2 patents #12,644 of 83,584Top 20%
HO Hosiden: 2 patents #123 of 328Top 40%
HH Hitachi High-Technologies: 1 patents #674 of 1,200Top 60%
CA Calsonic: 1 patents #72 of 204Top 40%
DC Delta Kogyo Co.: 1 patents #54 of 132Top 45%
HC Hitachi Powdered Metals Co.: 1 patents #113 of 246Top 50%
KA Kao: 1 patents #1,961 of 3,221Top 65%
Kyocera: 1 patents #2,054 of 3,732Top 60%
KC Kyodo Yushi Co.: 1 patents #63 of 191Top 35%
NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
RI Reprocell Incorporated: 1 patents #4 of 20Top 20%
SC Sbi Pharmaceuticals Co.: 1 patents #23 of 80Top 30%
Overall (All Time): #6,321 of 4,157,543Top 1%
148
Patents All Time

Issued Patents All Time

Showing 51–75 of 148 patents

Patent #TitleCo-InventorsDate
9694595 Liquid circulation device, liquid discharge device and control method for the same Kazuhiko Ohtsu, Kazuhiro Hara, Yasushi Kuribayashi, Yoshiaki Kaneko 2017-07-04
9688077 Ink jet recording apparatus Yoshiaki Kaneko 2017-06-27
9665224 Capacitive touchscreen Kunihiko YOKOHAMA, Masaya Shimizu, Naoki Toyota 2017-05-30
9636921 Liquid ejection apparatus 2017-05-02
9499892 Sliding member and production method for same Hiroyuki Mori, Shintaro Igarashi 2016-11-22
9487874 Method for operating the water electrolysis system Daisuke Kurashina, Koji Nakazawa, Hisashi Nagaoka, Yuji Yamakawa, Jun Takeuchi 2016-11-08
9421788 Liquid circulation device and liquid discharging apparatus 2016-08-23
9341882 Laminate, polarizing plate, liquid crystal display device, and method of manufacturing polarizing plate Mayumi NOJIRI, Takahiro Ohno, Nobutaka Fukagawa, Yu Naito, Naoya SHIMOJU 2016-05-17
9256099 Polarizer, polarizing plate using the same, liquid crystal display device, and method of manufacturing polarizing plate Mayumi NOJIRI, Takahiro Ohno, Nobutaka Fukagawa, Yu Naito, Naoya SHIMOJU 2016-02-09
9223259 Fixing device and image forming apparatus Masashi Hiroki, Kazuhiro Hara 2015-12-29
9181829 Exhaust gas purification device of internal combustion engine Hiroshi Kubo, Takao Onodera, Hitoshi Satou, Masahiro Kajiyama, Tetsuya Murata +1 more 2015-11-10
9086000 Diesel particulate filter system Hitoshi Satou, Takashi Haseyama 2015-07-21
9067160 Exhaust gas purification system Takashi Ikeda, Naofumi Ochi 2015-06-30
8961747 Water electrolysis system and method of stopping operation of water electrolysis system Daisuke Kurashina, Nobuyuki Kawasaki 2015-02-24
8964149 Liquid crystal display device and method for manufacturing transparent electrode Mitsuo Moriya, Mitsuru Takigawa 2015-02-24
8936712 Water electrolysis system and method for operating the same Daisuke Kurashina, Koji Nakazawa, Hisashi Nagaoka, Yuji Yamakawa, Jun Takeuchi 2015-01-20
8932379 Exhaust gas purification system Takashi Ikeda, Takayuki Mukunashi 2015-01-13
8843045 Fuser and image-forming apparatus that use endless belt Satoshi Kinouchi, Ryota Saeki, Kazutoshi Takahashi, Shoko Shimmura, Toshihiro Sone 2014-09-23
8730228 Driving circuit for light emitting diode Masao Yonemaru, Naoki Inoue 2014-05-20
8678384 Medium transport unit, sensor unit, and method of controlling reading of medium transport unit Kenichi Komiya, Koji Tanimoto, Daisuke Ishikawa, Kazutoshi Takahashi 2014-03-25
8679305 High-pressure hydrogen producing apparatus Koji Nakazawa, Yuji Yamakawa 2014-03-25
8593496 Light emitting panel, optical print head, and image forming apparatus Daisuke Ishikawa, Koji Tanimoto, Kenichi Komiya, Kazutoshi Takahashi 2013-11-26
8552971 Driving circuit for light emitting diode Hiroyuki Kumasaka 2013-10-08
8408688 Bubble tolerant manifold design for a liquid ejecting head Masahiro Asami 2013-04-02
8353570 Liquid ejecting apparatus and liquid ejecting method 2013-01-15