Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10814289 | Separation membrane, separation membrane element and separation membrane module | Takahito Nakao, Mayumi Akashi, Miyuki Yao, Seiji Watanuki | 2020-10-27 |
| 9550153 | Porous polymer flat-sheet membrane | Junsuke Morita, Masao Higashi, Norifumi Shimada | 2017-01-24 |
| 9394638 | Polyimide nonwoven fabric and process for production thereof | Masahiko Nakamori, Satoshi Maeda, Hisato Kobayashi, Yasuo Ohta | 2016-07-19 |
| 9211509 | Reverse osmosis membrane for wastewater treatment | Masao Higashi, Junsuke Morita | 2015-12-15 |
| 8580380 | Polybenzazole fiber and pyridobisimidazole fiber | Kohei Kiriyama, Seiji Watanuki, Yoshihiko Teramoto, Yusuke Shimizu | 2013-11-12 |
| 7868126 | Process for producing polyester, polyester produced using said process, and polyester molded product | Katsuhiko Kageyama, Kenichi Funaki, Masaki Fuchikami, Kazuo Katayose, Takahiro Nakajima +5 more | 2011-01-11 |
| 7811673 | High strength polyethylene fiber | Godo Sakamoto, Yasuo Ohta, Yasunori Fukushima, Hiroki Murase | 2010-10-12 |
| 7649025 | Composite ion-exchange membrane | Kota Kitamura, Yoshimitsu Sakaguchi, Shigenori Nagahara, Shiro Hamamoto, Naohiko Takimoto +3 more | 2010-01-19 |
| 7141301 | High strength polyethylene fiber | Godo Sakamoto, Syoji Oda, Yasuo Ohta | 2006-11-28 |
| 6899950 | High strength polyethylene fiber | Godo Sakamoto, Syoji Oda, Yasuo Ohta | 2005-05-31 |
| 6884506 | Polybenzazole fiber | — | 2005-04-26 |
| 6673445 | Polybenzazole fibers and their utilization | Hideki Sugihara, Yoshimitsu Sakaguchi, Atsushi Kaji, Yukihiro Nomura | 2004-01-06 |
| 6040050 | Polybenzazole fiber having high tensile modulus and process of manufacture thereof | Michio Ishitobi | 2000-03-21 |
| 5993963 | Polybenzazole fiber and method for production thereof | Yoshihiko Teramoto, Yoshikazu Tanaka, Michio Ishitobi | 1999-11-30 |
| 5772942 | Processes for producing polybenzazole fibers | Yoshihiko Teramoto, Michio Ishitobi | 1998-06-30 |
| 5429787 | Method for rapid drying of a polybenzazole fiber | Jang-hi Im, Chieh-Chun Chau, Hiroki Murase, Takaharu Ichiryu | 1995-07-04 |
| 5171506 | Process for producing polyester fibers | Mitsuhiro Sakuda, Kazuyuki Yabuki, Hideaki Ishihara, Yoshimitsu Sakaguchi | 1992-12-15 |
| 4898226 | Immersion nozzle for continuous casting of steel | Toshio Teshima, Mikio Suzuki, Toshi Masaoka, Takashi Mori, Kazutaka Okimoto | 1990-02-06 |
| 4852633 | Immersion nozzle for continuous casting of steel | Toshio Teshima, Mikio Suzuki, Toshio Masaoka, Takashi Mori, Kazutaka Okimoto | 1989-08-01 |