KW

Keiji Watanabe

Fujitsu Limited: 49 patents #280 of 24,456Top 2%
Canon: 16 patents #4,160 of 19,416Top 25%
Mitsubishi Electric: 16 patents #1,485 of 25,717Top 6%
HI Hitachi: 13 patents #3,142 of 28,497Top 15%
NC Nkk Co.: 7 patents #58 of 1,173Top 5%
NC Nitto Chemical Industry Co.: 5 patents #21 of 179Top 15%
Sharp Kabushiki Kaisha: 5 patents #3,007 of 10,731Top 30%
MT Mitsui Chemicals Tohcello: 4 patents #9 of 76Top 15%
MC Mitsui Chemicals: 3 patents #648 of 2,279Top 30%
NC Nippon Shokubai Co.: 1 patents #656 of 1,108Top 60%
DC Dai-Ichi Kogyo Seiyaku Co.: 1 patents #153 of 288Top 55%
FL Fujitsu Isotec Limited: 1 patents #22 of 54Top 45%
HC Hitachi Chemical Company: 1 patents #1,071 of 1,946Top 60%
HC Hitachi Koki Co.: 1 patents #557 of 888Top 65%
JS Jfe Steel: 1 patents #825 of 1,401Top 60%
CC Citizen Electronics Co.: 1 patents #144 of 252Top 60%
MI Mitsui Petrochemical Industries: 1 patents #503 of 1,024Top 50%
Overall (All Time): #10,462 of 4,157,543Top 1%
117
Patents All Time

Issued Patents All Time

Showing 26–50 of 117 patents

Patent #TitleCo-InventorsDate
9082756 Semiconductor device and power source device Kozo Shimizu, Keishiro Okamoto, Nobuhiro Imaizumi, Tadahiro Imada 2015-07-14
9040811 Solar-cell sealant and solar-cell module using same Shigenobu Ikenaga, Fumito Takeuchi, Tomoaki Ito 2015-05-26
8866157 Semiconductor device and method of fabricating the semiconductor device Norikazu Nakamura, Shirou Ozaki, Masayuki Takeda, Toyoo Miyajima, Toshihiro Ohki +3 more 2014-10-21
8808555 Method of manufacturing substrate for liquid discharge head Shuji Koyama, Hiroyuki Abo, Keiji Matsumoto 2014-08-19
8790948 Method for manufacturing a solar cell Toshiyuki Mine, Akio Shima, Tomoko Sekiguchi, Ryuta Tsuchiya 2014-07-29
8772625 Encapsulating material for solar cell and solar cell module Shigenobu Ikenaga, Fumito Takeuchi, Jun TOKUHIRO, Takanobu Murofushi, Kazuhiro Yarimizu +2 more 2014-07-08
8728867 Semiconductor device, manufacturing method of semiconductor device, and power source device Kozo Shimizu, Keishiro Okamoto, Nobuhiro Imaizumi, Tadahiro Imada 2014-05-20
8703509 Method for manufacturing a substrate for liquid-ejecting heads and a liquid-ejecting head Hiroyuki Abo, Keiji Matsumoto 2014-04-22
8674520 Semiconductor device, method for manufacturing the same, and power supply unit Nobuhiro Imaizumi, Keishiro Okamoto 2014-03-18
8492784 Semiconductor device and method for producing the same, and power supply Keishiro Okamoto, Tadahiro Imada, Nobuhiro Imaizumi 2013-07-23
8487384 Semiconductor device, power-supply unit, amplifier and method of manufacturing semiconductor device Norikazu Nakamura, Shirou Ozaki, Masayuki Takeda 2013-07-16
8449783 Method of manufacturing liquid ejection head substrate 2013-05-28
8377828 Method of manufacturing a substrate for a liquid discharge head Keiji Matsumoto, Shuji Koyama, Hiroyuki Abo 2013-02-19
8152276 Liquid jet head, method for manufacturing liquid jet head, and method for forming structure for liquid jet head Hiroyuki Murayama, Yoshinori Tagawa, Souta Takeuchi, Makoto Watanabe 2012-04-10
8148049 Ink jet recording head and manufacturing method of the same Hiroyuki Murayama, Junichi Kobayashi, Yoshinori Tagawa, Kenji Fujii, Hideo Tamura +1 more 2012-04-03
8091233 Method of manufacturing liquid discharge head Taichi Yonemoto, Junichi Kobayashi, Yoshinori Tagawa, Hideo Tamura, Hiroyuki Murayama +1 more 2012-01-10
8047632 Ink jet recording head Kenji Fujii, Yoshinori Tagawa, Hiroyuki Murayama, Taichi Yonemoto, Mitsunori Toshishige 2011-11-01
8037603 Ink jet head and producing method therefor Kenji Fujii, Junichi Kobayashi, Yoshinori Tagawa, Hideo Tamura, Hiroyuki Murayama +6 more 2011-10-18
7923080 Liquid crystal display and manufacturing method of same Katsuji Ebisu, Takahiro Kashikawa 2011-04-12
7910672 Powder of a vinylpyrrolidone polymer and a process for production thereof Kazuhiro Okamura, Norihiro Wakao, Keiichi Fujise 2011-03-22
7619854 Product including filmed screw Keiji Aruga, Hiroshi Chiba 2009-11-17
7575135 Immersion nozzle for continuous casting of steel and method of continuous casting method of steel Yutaka Awajiya, Mikio Suzuki, Makoto Iiyama 2009-08-18
7534750 Composition, magnetic recording medium, head slider, and magnetic recording device Hiroshi Chiba, Yukiko Oshikubo, Eishin Yamakawa, Takeshi Toukairin 2009-05-19
7488569 Negative resist composition, a method for forming a resist pattern thereof, and a method for fabricating a semiconductor device Miwa Kozawa, Koji Nozaki, Ei Yano 2009-02-10
7439010 Alkali-soluble siloxane polymer, positive type resist composition, resist pattern, process for forming the same, electronic device and process for manufacturing the same Miwa Kozawa, Shoichi Suda, Fumi Yamaguchi, Isao Yahagi, Michitaka Morikawa 2008-10-21