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 76–100 of 117 patents

Patent #TitleCo-InventorsDate
6052261 Method for manufacturing magnetoresistance head Koji Nozaki, Miwa Igarashi, Yoko Kuramitsu, Ei Yano, Takahisa Namiki +4 more 2000-04-18
6050479 Defluxing agent cleaning method and cleaning apparatus Masayuki Ochiai, Yasuo Yamagishi, Ei Yano, Nobuo Igusa, Isamu Takachi 2000-04-18
6013416 Chemically amplified resist compositions and process for the formation of resist patterns Koji Nozaki, Ei Yano, Takahisa Namiki, Miwa Igarashi, Yoko Kuramitsu +3 more 2000-01-11
5968713 Chemically amplified resist compositions and process for the formation of resist patterns Koji Nozaki, Ei Yano, Takahisa Namiki, Miwa Igarashi, Yoko Kuramitsu +3 more 1999-10-19
5962191 Resist compositions for forming resist patterns Koji Nozaki, Ei Yano, Takahisa Namiki, Miwa Igarashi, Yoko Kuramitsu 1999-10-05
5910392 Resist composition, a process for forming a resist pattern and a process for manufacturing a semiconductor device Koji Nozaki, Ei Yano, Takahisa Namiki, Miwa Igarashi 1999-06-08
5906912 Processes for forming resist pattern and for producing semiconductor device Miwa Igarashi, Ei Yano, Keiko Yano, Takashi Maruyama, Eiichi Hoshino +2 more 1999-05-25
5906481 Piezoelectric fluid pump Kazuki Ogawa, Yuji Yoshida, Motoyuki Nishizawa, Nobuo Kamehara, Akio Yano +4 more 1999-05-25
5870262 Magneto resistive effect type head having a stressed insulation layer Yukinori Ikegawa, Mutsuo Yoshinami, Eiji Shimizu 1999-02-09
5862307 Communication apparatus used with a plurality of different circuits 1999-01-19
5824452 Resist compositions and process for the formation of resist patterns Koji Nozaki, Ei Yano, Takahisa Namiki, Miwa Igarashi, Yoko Kuramitsu 1998-10-20
5804354 Composition for forming conductivity imparting agent and pattern forming method Yasuhiro Yoneda, Takashi Maruyama, Keiko Yano, Tomio Nakamura, Shigeru Shimizu +5 more 1998-09-08
5776659 Ionizing radiation exposure method utilizing water soluble aniline antistatic polymer layer Ei Yano, Takahisa Namiki, Keiko Yano, Takashi Maruyama, Tomio Nakamura +4 more 1998-07-07
5721091 Composition for forming an electrically conductive layer to be used in patterning Yasuhiro Yoneda, Takashi Maruyama, Keiko Yano, Tomio Nakamura, Shigeru Shimizu +1 more 1998-02-24
5695571 Cleaning method using a defluxing agent Masayuki Ochiai, Yasuo Yamagishi, Ei Yano, Nobuo Igusa, Isamu Takachi 1997-12-09
5587627 Planar display apparatus having exposed insulated substrate portion Masato Saito, Ryo Suzuki, Keiji Fukuyama, Takuya Ohira, Minoru Kobayashi +2 more 1996-12-24
5560870 Composition for forming an electrically conductive layer to be used in patterning Yasuhiro Yoneda, Takashi Maruyama, Keiko Yano, Tomio Nakamura, Shigeru Shimizu +1 more 1996-10-01
5495146 Planar display apparatus Masato Saito, Ryo Suzuki, Keiji Fukuyama, Takuya Ohira, Minoru Kobayashi +2 more 1996-02-27
5484687 Polysilphenylenesiloxane, production process thereof, and resist material and semiconductor device formed thereof Akira Oikawa, Shun-ichi Fukuyama, Masaaki Yamagami, Takahisa Namiki 1996-01-16
5436530 Flat display apparatus with supplemental biasing Ryo Suzuki, Masato Saito, Tetsuya Shiroishi, Takuya Ohira, Yoshiko Fujima +1 more 1995-07-25
5250242 Method of producing ceramic sintered body having dense ceramic membrane Hiroaki Nishio, Michitaka Sato 1993-10-05
5240813 Polysilphenylenesiloxane, production process thereof, and resist material and semiconductor device formed thereof Akira Oikawa, Shun-ichi Fukuyama, Masaaki Yamagami, Takahisa Namiki 1993-08-31
5122707 Cathode in a cathode ray tube Hisao Nakanishi, Kinjiro Sano, Toyokazu Kamata, Masato Saito, Ryo Suzuki +2 more 1992-06-16
5118984 Electron tube cathode Masato Saito, Ryo Suzuki, Keiji Fukuyama, Takuya Ohira, Hisao Nakanishi +3 more 1992-06-02
5114749 Method for manufacturing carbon material having good resistance to oxidation by coating the carbon material with an inorganic polysilazane and then heating Hiroaki Nishio, Michitaka Sato 1992-05-19