SK

Seiji Kagawa

UN Unknown: 27 patents #116 of 83,584Top 1%
MS Mitsubishi Hitachi Power Systems: 21 patents #2 of 970Top 1%
Mitsubishi Electric: 19 patents #1,108 of 25,717Top 5%
SK Seiji Kagawa: 5 patents #1 of 2Top 50%
TK Tonen Sekiyukagaku Kabushiki Kaisha: 4 patents #4 of 61Top 7%
MP Mitsubishi Power: 4 patents #28 of 508Top 6%
TK Tonen Sekiyukagaku K.K.: 2 patents #1 of 24Top 5%
MC Mitsubishi Shipbuilding Co.: 1 patents #10 of 26Top 40%
Overall (All Time): #16,630 of 4,157,543Top 1%
93
Patents All Time

Issued Patents All Time

Showing 25 most recent of 93 patents

Patent #TitleCo-InventorsDate
12208360 Treated water drying device and boiler system including the same Koichiro Hirayama, Satoru Sugita, Toshihiro Fukuda 2025-01-28
11931972 High-moisture-permeability, microporous plastic film, and its production method and apparatus 2024-03-19
11364467 Desulfurization device Satoru Sugita, Tetsu Ushiku, Ryozo Sasaki, Naoyuki Yoshizumi, Tsuyoshi Miyachi 2022-06-21
10967327 Spray drying system Toshihiro Fukuda, Satoru Sugita, Tetsu Ushiku 2021-04-06
10953363 Method for installing spray pipe Satoru Sugita, Tetsu Ushiku, Ryozo Sasaki, Naoyuki Yoshizumi, Tsuyoshi Miyachi 2021-03-23
10940618 Apparatus for producing microporous plastic film Yoichiro Kagawa 2021-03-09
10926217 Ship desulfurization device and ship equipped with ship desulfurization device Ryozo Sasaki, Tetsu Ushiku, Satoru Sugita, Tatsuto Nagayasu, Naoyuki Kamiyama +1 more 2021-02-23
10875259 High-moisture-permeability, microporous plastic film, and its production method and apparatus 2020-12-29
10780473 Cement solidification device for waste and method therefor, and zero-liquid discharge air pollution control system and method therefor Naoyuki Kamiyama, Tetsu Ushiku, Satoru Sugita, Toshihiro Fukuda 2020-09-22
10744665 Apparatus for producing microporous plastic film Yoichiro Kagawa 2020-08-18
10704835 Method of spray drying and washing and method of controlling air pollution Toshihiro Fukuda, Jun Satou 2020-07-07
10667444 Electromagnetic-wave-absorbing composite sheet 2020-05-26
10654257 Electromagnetic wave absorption cable 2020-05-19
10646820 Wet flue gas desulfurization apparatus and operation method for wet flue gas desulfurization apparatus Naoyuki Kamiyama, Takashi Yoshimoto, Tetsu Ushiku, Satoru Sugita 2020-05-12
10645850 Electromagnetic-wave-absorbing composite sheet 2020-05-05
10617996 Desulfurization apparatus and method of operating desulfurization apparatus Naoyuki Kamiyama, Koichiro Hirayama, Satoru Sugita, Yoshito Tanaka, Toshihiro Fukuda 2020-04-14
10609810 Method for producing heat-dissipating sheet having high thermal conductivity 2020-03-31
10538026 Apparatus for producing microporous plastic film Yoichiro Kagawa 2020-01-21
10538027 Apparatus for producing easy-to-tear plastic film Yoichiro Kagawa 2020-01-21
10538054 Heat-dissipating film, and its production method and apparatus 2020-01-21
10471382 Air pollution control system Tsuyoshi Miyachi, Naoyuki Kamiyama, Tetsu Ushiku 2019-11-12
10436096 Heat exchanger and method for controlling heat exchanger Tsuyoshi Miyachi, Naoyuki Kamiyama, Tetsu Ushiku 2019-10-08
10283284 Method and apparatus for producing microporous metal foil Yoichiro Kagawa 2019-05-07
10139033 Resin coating layer and life-extension method for piping Hideaki Sakurai, Tsuyoshi Miyachi, Takuya Okamoto 2018-11-27
10062477 Electromagnetic-wave-absorbing filter 2018-08-28