Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11597694 | Method for producing lactic acid and method for producing polylactic acid | Kenji Sawai, Hideki Sawai, Takashi Mimitsuka, Masateru Ito, Katsushige Yamada +3 more | 2023-03-07 |
| 10683254 | Method for producing lactic acid and method for producing polylactic acid | Kenji Sawai, Hideki Sawai, Takashi Mimitsuka, Ito Masateru, Katsushige Yamada +3 more | 2020-06-16 |
| 10093747 | Method for production sugar liquid | Hiroyuki Kurihara, Atsushi Minamino, Masateru Ito, Hideki Sawai, Masayuki Hanakawa +1 more | 2018-10-09 |
| 9259690 | Polymer separation membrane and process for producing the same | Masayuki Hanakawa | 2016-02-16 |
| 8765405 | Method for producing sugar liquid | Hiroyuki Kurihara, Atsushi Minamino, Masateru Ito, Hideki Sawai, Masayuki Hanakawa +1 more | 2014-07-01 |
| 8759045 | Lactic acid production method | Masateru Ito, Eri Shimizu, Kenji Sawai, Yohito Ito, Hideki Sawai +1 more | 2014-06-24 |
| 8349597 | Lactic acid production method | Masateru Ito, Eri Shimizu, Kenji Sawai, Yohito Ito, Hideki Sawai +1 more | 2013-01-08 |
| 8334411 | Process for producing diamine and polyamide | Masateru Ito, Izumi Nakagawa, Koya Kato, Takashi Mimitsuka, Kenji Sawai +2 more | 2012-12-18 |
| 8205754 | Fluororesin polymer separation membrane and process for producing the same | Masayuki Hanakawa | 2012-06-26 |
| 7851024 | Porous membrane and method for manufacturing the same | Hirofumi Morikawa, Shuji Furuno, Toshiyuki Ishizaki, Masahiro Henmi | 2010-12-14 |
| 7504034 | Hollow fiber membrane and method of producing the same | Masahiro Henmi, Toshiyuki Ishizaki, Koichi Dan | 2009-03-17 |
| 7258914 | Porous membrane and method for manufacturing the same | Hirofumi Morikawa, Shuji Furuno, Toshyuki Ishizaki, Masahiro Henmi | 2007-08-21 |
| 7182870 | Hollow fiber membrane and method of producing the same | Masahiro Henmi, Toshiyuki Ishizaki, Koichi Dan | 2007-02-27 |