Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8377260 | Newsprint paper for offset printing | Fuminari Nonomura, Tomohiro Higata | 2013-02-19 |
| 7691231 | Newsprint paper treated with cationic surface sizing agent | Hiroshi Ono, Satoshi Ishioka, Fuminari Nonomura | 2010-04-06 |
| 7404876 | High-bulk, wood containing printing paper | Hiroshi Ono, Masayuki Watanabe, Fuminari Nonomura | 2008-07-29 |
| 7311801 | Newsprint papers | Hiroshi Ono, Satoshi Ishioka, Fuminari Nonomura | 2007-12-25 |
| 7261869 | Processes for preparing calcium carbonate | Kazuto Takahashi, Kiyoshi Kanai, Yasuhiro Okamoto | 2007-08-28 |
| 7097819 | Method for producing calcium carbonate | Haruo Konno | 2006-08-29 |
| 7056418 | Cooking method for pulp | Tatsuya Andoh, Junji Tanaka, Keigo Watanabe, Makoto Nakao | 2006-06-06 |
| 6627170 | Process for preparing calcium carbonate | Kazuto Takahashi, Kiyoshi Kanai, Yasuhiro Okamoto | 2003-09-30 |
| 6585880 | Method for recovering chemicals in a process of producing pulp by kraft process | Keigo Watanabe, Kazuaki Sakai, Tatsuya Andoh, Makoto Nakao | 2003-07-01 |
| 6517699 | Method for producing polysulfides by means of electrolytic oxidation | Tetsuji Shimohira, Tatsuya Andoh, Junji Tanaka, Keigo Watanabe | 2003-02-11 |
| 6190633 | Process for preparing calcium carbonate | Kazuto Takahashi, Kiyoshi Kanai, Yasuhiro Okamoto | 2001-02-20 |
| 5985367 | Process for preparing coated printing paper | Eiji Nishijima, Yuji Sato, Shoichi Miyawaki | 1999-11-16 |
| 5900115 | Ink jet recording paper | Yoshihiro Kuroyama, Teiichi Ohtani, Yukio Kobayashy, Yoichi Yamazaki | 1999-05-04 |
| 5873978 | Recording paper | Yoshihiro Kuroyama, Yoichi Yamazaki | 1999-02-23 |
| 5755929 | Cast-coated paper for ink jet recording and production method thereof | Yoshihiro Kuroyama, Tomonobu Ohmura, Youichi Yamazaki | 1998-05-26 |
| 5536535 | Process for producing a coated paper | Yoichi Yamazaki, Hirotoshi Aikawa, Kazuaki Kamata | 1996-07-16 |