Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9457118 | Corona discharge device and air-conditioning apparatus | Koji Ota, Yasutaka Inanaga, Akira Morikawa, Takahiro Sakai | 2016-10-04 |
| 9228752 | Humidifier | Takahiro Sakai, Akira Morikawa, Koji Ota, Yasutaka Inanaga, Hiroshi Tsutsumi | 2016-01-05 |
| 9093879 | Method and device for reducing concentrations of ozone and nitric acid generated in cooling air flowing through circulating airflow paths in rotary electric machines | Gaku Oinuma, Noboru Wada, Takayoshi Shimada, Katsuhiko Kibe | 2015-07-28 |
| 8608832 | Apparatus for concentrating and diluting specific gas and method for concentrating and diluting specific gas | Yoichiro Tabata, Tetsuya Saitsu, Yujiro Okihara, Nobuyuki Itoh, Ryohei Ueda +1 more | 2013-12-17 |
| 8500874 | Apparatus for concentrating and diluting specific gas and method for concentrating and diluting specific gas | Yoichiro Tabata, Tetsuya Saitsu, Yujiro Okihara, Nobuyuki Itoh, Ryohei Ueda +1 more | 2013-08-06 |
| 8460435 | Apparatus for producing high-concentration ozone gas and method of producing high-concentration ozone gas | Yoichiro Tabata, Yujiro Okihara, Tetsuya Saitsu, Noriyuki Nakamura, Ryohei Ueda +1 more | 2013-06-11 |
| 8409520 | Ozone concentrator | Koji Ota, Yoichiro Tabata, Yujiro Okihara, Tetsuya Saitsu, Noriyuki Nakamura +1 more | 2013-04-02 |
| 7785406 | Apparatus for volatile organic compound treatment and method of volatile organic compound treatment | Kouji Ota, Yasutaka Inanaga, Masaki Kuzumoto, Hajime Nakatani, Hideo Ichimura +3 more | 2010-08-31 |
| 7316734 | Volatile organic compound treatment apparatus | Koji Ohta, Masaki Kuzumoto, Hajime Nakatani, Toshiaki Yoshizumi, Hideo Ichimura | 2008-01-08 |
| 6589397 | Electric energy converting/storing method | Masaki Kuzumoto, Junji Hirotsuji, Shigeki Nakayama, Osamu Matsuoka, Masao Nozaki | 2003-07-08 |
| 6537508 | Electric energy converting/storing system | Masaki Kuzumoto, Junji Hirotsuji, Shigeki Nakayama, Osamu Matsuoka, Masao Nozaki | 2003-03-25 |
| 6495109 | Ozone supplying apparatus | Junji Hirotsuji, Shigeki Nakayama, Hisao Amitani, Hiroshi Yuge, Tateki Ozawa | 2002-12-17 |
| 6315962 | Ozone producing apparatus | Junji Hirotsuji, Shigeki Nakayama, Hisao Amitani, Hiroshi Yuge, Tateki Ozawa | 2001-11-13 |
| 6228331 | Ozone supplying apparatus | Junji Hirotsuji, Shigeki Nakayama, Hisao Amitani, Hiroshi Yuge, Tateki Ozawa | 2001-05-08 |
| 6214298 | Ozone producing apparatus responsive to an abnormal driving condition | Junji Hirotsuji, Shigeki Nakayama, Hisao Amitani, Hiroshi Yuge, Tateki Ozawa | 2001-04-10 |
| 6103190 | Microorganism multiplication preventing method and apparatus | Koji Ota, Takesi Sugimoto, Masao Kawasaki, Daisyuu Hirayama | 2000-08-15 |
| 6086772 | Method and apparatus for preventing biofouling in cooling water system | Junji Hirotsuji, Shigeki Nakayama, Hisao Amitani, Hiroshi Yuge, Tateki Ozawa | 2000-07-11 |
| 6083464 | Ozone supplying apparatus with fluid purification and recycling | Junji Hirotsuji, Shigeki Nakayama, Hisao Amitani, Hiroshi Yuge, Tateki Ozawa | 2000-07-04 |
| 6054102 | Ozone producing apparatus utilizing feedback control from ozone density measurement | Junji Hirotsuji, Shigeki Nakayama, Hisao Amitani, Hiroshi Yuge, Tateki Ozawa | 2000-04-25 |
| 5888271 | Ozone storing method and ozone storage system | Masaki Kuzumoto, Junji Hirotsuji, Shigeki Nakayama | 1999-03-30 |
| 5591349 | Microorganism removing method | Akira Ikeda, Naoki Nakatsugawa, Yumiko Yoshimura, Kenji Ezaki | 1997-01-07 |
| 5527459 | Microbe propagation preventing apparatus | Akira Ikeda, Naoki Nakatsugawa, Masaaki Tanaka, Hiroshige Konishi, Toshie Hiraoka +2 more | 1996-06-18 |
| 5484570 | Microbe propagation prenvention method | Akira Ikeda, Naoki Nakatsugawa, Masaaki Tanaka, Hiroshige Konishi, Toshie Hiraoka +2 more | 1996-01-16 |
| 5445798 | Microbe propagation preventing apparatus and microbe propagation preventing method | Akira Ikeda, Naoki Nakatsugawa, Masaaki Tanaka, Hiroshige Konishi, Toshie Hiraoka +2 more | 1995-08-29 |