Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8702850 | Electric device with air cleaning function | Daisuke Suzuki, Masahiro Iseki, Keiko Kurokawa, Mineo Ikematsu, Yoshiaki Noguchi | 2014-04-22 |
| 8366888 | Water treatment apparatus | Yui Ogawa, Tetsuya Yamamoto, Tsuyoshi Rakuma, Hiroyuki Kobayashi, Masahiro Iseki | 2013-02-05 |
| 8062485 | Water treatment device | Yui Ogawa, Hana Oe | 2011-11-22 |
| 7850769 | Air filtering apparatus having foreign material removing mechanism | Kazuo Takahashi, Yoichi Uchida, Hiroaki Usui, Tetsuya Yamamoto, Keiko Kurokawa +6 more | 2010-12-14 |
| 7452463 | Apparatus for treating water | Masahiro Iseki, Daizo Takaoka, Motoyuki Tsuihiji, Takashi Igarashi, Hiromichi Ohtake | 2008-11-18 |
| 7438804 | Coagulation treatment apparatus | Masahiro Iseki, Daizo Takaoka, Motoyuki Tsuihiji, Koichi Hara | 2008-10-21 |
| 7396458 | Wastewater treatment equipment | Masahiro Iseki, Motoyuki Tsuihiji | 2008-07-08 |
| 7381323 | Filtration apparatus | Masahiro Iseki, Motoyuki Tsuihiji | 2008-06-03 |
| 7300592 | Water treatment device | Masahiro Iseki, Atsushi Yamada, Tomohito Koizumi, Yui Ogawa | 2007-11-27 |
| 7157012 | Water treatment device and water treatment method using the same | Masahiro Iseki, Daizo Takaoka, Tsuyoshi Rakuma, Mineo Ikematsu, Motoyuki Tsuihiji +1 more | 2007-01-02 |
| 7156962 | Electrolyzing electrode and production method therefor and electrolysis method using electrolyzing electrode and electrolysis solution producing device | Tomohito Koizumi, Naoki Hiro, Tsuyoshi Rakuma, Katsuhiko Mushiake, Masahiro Iseki +2 more | 2007-01-02 |
| 7014770 | Filtering method of a colloidal solution | Masahiro Iseki, Motoyuki Tsuihiji, Hirofumi Iinuma | 2006-03-21 |
| 6830679 | Filtration device | Motoyuki Tsuihiji, Hirofumi Iinuma, Masahiro Iseki | 2004-12-14 |
| 6010344 | Ejection protection mechanism for card media | Hidenori Muramatsu, Hiroto Handa, Makoto Hamada | 2000-01-04 |
| 5879175 | Loading/unloading unit for card media | Hidenori Muramatsu, Hiroto Handa, Makoto Hamada | 1999-03-09 |
| 5815468 | Dual player automotive audio system capable of playing back two different types of recording mediums | Hidenori Muramatsu, Mitsuharu Nakai, Akira Kojima | 1998-09-29 |
| 4227224 | Cassette tape recording/reproducing apparatus | Yukio Ito, Kazuki Takai, Hitoshi Okada | 1980-10-07 |
| 4224647 | Magnetic tape-record/playback apparatus | Masao Ito, Hitoshi Okada | 1980-09-23 |
| 4209812 | Tape player | Hitoshi Okada | 1980-06-24 |