Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9211497 | Asymmetric gas separation membrane and method for separating methanol from mixed organic vapor using the same | Ryoichi Takada, Harutoshi Hoshino, Tomonori Kanougi, Kenji Fukunaga | 2015-12-15 |
| 8580012 | Solvent-resistant asymmetric hollow fiber gas separation membrane, and method for production thereof | Harutoshi Hoshino, Tomonori Kanougi, Yoji Kase, Kenji Fukunaga | 2013-11-12 |
| 8409325 | Asymmetric gas separation membrane and process for gas separation | Makoto Nakamura, Tomonori Kanougi, Yoji Kase, Kenji Fukunaga | 2013-04-02 |
| 8394176 | Polyimide gas separation membrane and gas separation method | Tomonori Kanougi, Harutoshi Hoshino, Yoji Kase, Kenji Fukunaga | 2013-03-12 |
| 8075824 | Polyimide film made of multicomponent polyimide and process of producing the same | Kenji Fukunaga, Harutoshi Hoshino | 2011-12-13 |
| 7833313 | Method for manufacturing polyimide asymmetric membrane, and polyimide asymmetric membrane | Kenji Fukunaga, Yoji Kase | 2010-11-16 |
| 7803214 | Asymmetric hollow-fiber gas separation membrane, gas separation method and gas separation membrane module | Yoji Kase, Kenji Fukunaga, Harutoshi Hoshino | 2010-09-28 |
| 7771518 | Asymmetric hollow fiber gas separation membrane and gas separation method | Kenji Fukunaga, Yutaka Kanetsuki, Hiroshi Uchida, Minoru Shigemura, Nozomu Tanihara | 2010-08-10 |
| 7628841 | Method for manufacturing polyimide asymmetric membrane, and polyimide asymmetric membrane | Kenji Fukunaga, Yoji Kase | 2009-12-08 |
| 7156379 | Fuel cell-use humidifier | Nozomu Tanihara | 2007-01-02 |
| 6464755 | Gas separation membrane and method for its use | Shunsuke Nakanishi, Kenji Ito, Yoshihiro Kusuki | 2002-10-15 |
| 5286539 | Gas separating asymmetric membrane | Yoshihiro Kusuki, Harutoshi Hoshino, Shinji Asanuma | 1994-02-15 |
| 5141642 | Aromatic polyimide double layered hollow filamentary membrane and process for producing same | Yoshihiro Kusuki, Hiroshi Shimazaki | 1992-08-25 |
| 4250007 | Photocurable acrylic phosphate esters of epoxidized polybutadiene | Hiroshi Yasuno, Tsunetomo Nakano | 1981-02-10 |