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 26–39 of 39 patents

Patent #TitleCo-InventorsDate
5246678 High-performance flue-gas desulfurization process Eiji Ochi, Kiyoshi Okazoe, Susumu Okino 1993-09-21
5221298 Wet exhaust gas desulfurization apparatus and method Eiji Ochi, Kiyoshi Okazoe, Susumu Okino, Masakazu Onizuka 1993-06-22
5209905 Wet-type exhaust gas desulfurization system having a means for supplying air Masakazu Onizuka, Kenji Inoue, Susumu Okino, Toru Takashina 1993-05-11
5192518 Method for desulfurizing exhaust smoke Susumu Okino, Toru Takashina, Masakazu Onizuka, Kenji Inoue 1993-03-09
5151248 Pd-added austenitic stainless steel for use for high temperature concentrated sulfuric acid Ryuichiro Ebara, Hideo Nakamoto, Tamotsu Yamada, Yasuo Nishimura 1992-09-29
5132027 Method and apparatus for treating absorbent solution slurry containing fly ash Susumu Okino, Toru Takashina, Masakazu Onizuka 1992-07-21
5034028 Exhaust gas treating method Susumu Okino, Taku Shimizu, Kouichiro Iwashita 1991-07-23
4973570 Method for producing a parallel gas flow type catalyst for oxidizing sulfurous acid gas Kozo Iida, Tsumoru Nakamura 1990-11-27
4663724 Method for the continuous determination of the concentration of a carbonate and a sulfite in a liquid Masakazu Onizuka, Susumu Kono, Susumu Okino 1987-05-05
4632810 Method for treating waste gas to separate and recover gypsum and dust therein Naoharu Shinoda, Atsushi Tatani, Masakazu Onizuka, Taku Shimizu 1986-12-30
4533531 Exhaust fume desulfurization process Naoharu Shinoda, Atsushi Tatani, Susumu Okino 1985-08-06
4420465 Process for desulfurizing an exhaust gas Naoharu Shinoda, Atsushi Tatani, Michio Oshima, Susumu Okino, Sadaichi Shigeta 1983-12-13
4314345 Controlling the injection of ammonia in a dry type exhaust gas denitration process Yoshihiro Shiraishi 1982-02-02
4302431 Process for controlling nitrogen oxides in exhaust gases and apparatus therefor Masumi Atsukawa, Kazuhiro Matsumoto, Toru Seto, Toshikuni Sera 1981-11-24