NU

Naohiko Ukawa

MM Mitsubishi Mining: 30 patents #4 of 2,247Top 1%
Mitsubishi Electric: 9 patents #3,275 of 25,717Top 15%
TC Tohoku Electric Power Company: 2 patents #39 of 246Top 20%
Overall (All Time): #83,145 of 4,157,543Top 2%
39
Patents All Time

Issued Patents All Time

Showing 1–25 of 39 patents

Patent #TitleCo-InventorsDate
9789438 Air pollution control apparatus Tsuyoshi Oishi, Hiroshi Tanaka 2017-10-17
8420037 Air pollution control system and air pollution control method Masaki Iijima, Tsuyoshi Oishi, Takashi Kamijo, Hiroshi Tanaka, Hiromitsu Nagayasu 2013-04-16
6863875 Flue gas treating system and process Shinichiro Kotake, Kazuaki Kimura, Kazumitsu Suzuki, Toru Takashina 2005-03-08
6773680 Combustion exhaust gas treatment system Taku Shimizu, Kazuaki Kimura, Kiyoshi Okazoe, Atsushi Tatani, Masao Hino +4 more 2004-08-10
6740297 Combustion exhaust gas treatment system Taku Shimizu, Kazuaki Kimura, Kiyoshi Okazoe, Atsushi Tatani, Masao Hino +4 more 2004-05-25
6656440 Exhaust gas desulfurizing method and system therefor Toru Takashina, Kenji Inoue 2003-12-02
6517792 Combustion exhaust gas treatment system Taku Shimizu, Kazuaki Kimura, Kiyoshi Okazoe, Atsushi Tatani, Masao Hino +4 more 2003-02-11
6511636 Combustion exhaust gas treatment system Taku Shimizu, Kazuaki Kimura, Kiyoshi Okazoe, Atsushi Tatani, Masao Hino +4 more 2003-01-28
6277327 Method for the anticorrosive treatment of waste plastics treating equipment Masanori Tabata, Masato Kaneko, Kazuto Kobayashi, Shigeo Hasegawa, Wataru Matsubara +3 more 2001-08-21
6203598 Flue gas treating process and system Shigeo Hasegawa, Susumu Okino, Koichiro Iwashita, Kazuaki Kimura, Atsushi Yoshioka +4 more 2001-03-20
6113863 Combustion exhaust gas treatment system Taku Shimizu, Kazuaki Kimura, Kiyoshi Okazoe, Atsushi Tatani, Masao Hino +4 more 2000-09-05
6107532 Process and system for converting plastics waste into oil Yoshihisa Saito, Takehiko Moriya, Masaki Iijima, Wataru Matsubara, Kazuto Kobayashi 2000-08-22
6096279 Flue gas treating process and system Koichiro Iwashita, Kazuaki Kimura, Toyoshi Nakagawa, Susumu Okino, Kiyoshi Okazoe 2000-08-01
6051055 Exhaust gas desulfurization system Toru Takashina, Susumu Okino, Kazuaki Kimura, Koichiro Iwashita, Kouji Ikeda +1 more 2000-04-18
6029100 Method for controlling oxidation in flue gas desulfurization Koichiro Iwashita, Susumu Okino, Masaru Sakamoto 2000-02-22
5976376 Sewage treatment process Yasuyuki Ogushi, Masato Kaneko, Susumu Okino, Masao Hino, Takashi Haruki +3 more 1999-11-02
5756052 Flue gas treatment system Hiroshi Suzumura, Yasuyuki Ogushi, Masao Hino, Koosoo Tao, Nobuo Kojima +2 more 1998-05-26
5662794 Solid-liquid separator and wet flue gas desulfurization apparatus Kiyoshi Okazoe, Atsushi Tatani, Taku Shimizu 1997-09-02
5616290 Gas-liquid contacting apparatus Makiichi Ishihara, Takakazu Sunada, Shigeo Hasegawa, Toru Takashina, Yukio Kita +4 more 1997-04-01
5605655 Gas-liquid contacting apparatus Makiichi Ishihara, Takakazu Sunada, Shigeo Hasegawa, Toru Takashina, Yukio Kita +4 more 1997-02-25
5433936 Flue gas desulfurization process Toru Takashina, Tsumoru Nakamura, Shinichiro Kotake 1995-07-18
5395561 Method of producing solid moldings from a by-product of wet limestone-gypsum desulfurization of flue gas Hiroshi Fujita, Toru Takashina, Masakazu Onizuka, Atsushi Tatani, Kenji Inoue +1 more 1995-03-07
5295400 Slurry sampling device and method Atsushi Tatani, Susumu Okino, Toru Takashina, Tsumoru Nakamura, Tokuma Arai +1 more 1994-03-22
5284557 Method for desulfurizing exhaust smoke Susumu Okino, Toru Takashina, Masakazu Onizuka, Kenji Inoue 1994-02-08
5266286 Flue gas desulfurization process Susumu Okino, Kenji Inoue, Toshiaki Kinomoto, Taku Shimizu 1993-11-30