Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9988269 | Method for producing peroxymonosulfuric acid and apparatus for continuously producing peroxymonosulfuric acid | Kiyoshi Yoshida, Kaoru Tsuyuki, Wakana Uesugi | 2018-06-05 |
| 9181094 | Method for producing peroxymonosulfuric acid and apparatus for continuously producing peroxymonosulfuric acid | Kiyoshi Yoshida, Kaoru Tsuyuki, Wakana Uesugi | 2015-11-10 |
| 8900408 | Process for production of bleached pulp | Kiyoshi Yoshida, Eiko Kuwabara, Takashi Ishii | 2014-12-02 |
| 8864942 | Process for producing bleached pulp | Iori Tomoda, Yosuke Uchida, Hiroyuki Nagatani, Ayano Kawae, Takahiro Cho +1 more | 2014-10-21 |
| 8268123 | Process for producing bleached pulp | Iori Tomoda, Yosuke Uchida, Hiroyuki Nagatani, Ayano Kawae, Takahiro Cho +1 more | 2012-09-18 |
| 6432266 | Process for bleaching chemical pulp simultaneously with chlorine dioxide, peroxide and a reaction catalyst | Takamasa Fukushima, Yuh Miyauchi, Akiyo Shimada, Takahiro Cho | 2002-08-13 |
| 6048437 | Process for bleaching chemical pulp with chlorine dioxide, peroxide and Na.sub.2 M.sub.0 O.sub.4 as reaction catalyt | Takamasa Fukushima, Yuh Miyauchi, Akiyo Shimada, Takahiro Cho | 2000-04-11 |
| 5958184 | Process for producing thiourea dioxide | Toshiaki Kanada, Seikyu Jinnouchi, Masafumi Shimpo, Akiko Kimura | 1999-09-28 |