Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8440365 | Electrolyte, production process therefor, electrolyte membrane, production process therefor, catalyst layer and fuel cell | Naohiro Hoshikawa, Naoki Hasegawa, Yoichi Hosokawa, Akihiro Shinohara, Hiromitsu Tanaka +2 more | 2013-05-14 |
| 8034509 | Polymer electrolyte membrane with an inorganic backbone | Shinji Inagaki, Yoshiaki Fukushima, Naoki Hasegawa, Yu Morimoto, Kyoko Tsusaka | 2011-10-11 |
| 7973109 | Crosslinked type layered metal phosphonate compound, production process therefor, non-crosslinked type layered metal phosphonate compound, production process therefor, as well as stock solution | Shin Ogata, Yoshiaki Fukushima | 2011-07-05 |
| 7879475 | Solid polymer electrolyte, solid polymer fuel cell and method for manufacturing the fuel cell | Eishiro Toyoda, Tomohiro TAKESHITA, Fusayoshi Miura, Naoki Hasegawa, Yu Morimoto +2 more | 2011-02-01 |
| 7592375 | Ion conductive polymers and imide monomers | Greg Shafer, Yoichi Hosokawa, Naoki Hasegawa, Satoru Yamamoto, Kenji Imai +2 more | 2009-09-22 |
| 7414102 | Polymer electrolyte of high durability and a production process thereof | Atsushi Kamiya, Naoki Hasegawa, Satoru Yamamoto, Hisato Takeuchi | 2008-08-19 |
| 7060735 | Polymer electrolyte membrane and method of production thereof | Takumi Taniguchi, Mitsuru Nakano, Yu Morimoto, Naoki Hasegawa | 2006-06-13 |
| 6827986 | Grafted polymer electrolyte membrane, method of producing a grafted polymer electrolyte membrane, and fuel cell comprising the same | Michio Asukabe, Michiaki Kato, Takumi Taniguchi, Yu Morimoto | 2004-12-07 |
| 6713207 | Membrane electrode assembly, and solid polymer fuel cell using the assembly | Kyoko Tsusaka, Yu Morimoto | 2004-03-30 |
| 6607856 | Solid polymer electrolyte having high-durability | Takahisa Suzuki, Takumi Taniguchi, Yu Morimoto, Naoki Hasegawa, Atsushi Kamiya | 2003-08-19 |
| RE37385 | Composite material and process for manufacturing same | Akane Okada, Yoshiaki Fukushima, Shinji Inagaki, Arimitsu Usuki, Shigetoshi Sugiyama +2 more | 2001-09-18 |
| 6117932 | Resin composite | Naoki Hasegawa, Hirotaka Okamoto, Arimitsu Usuki, Akane Okada | 2000-09-12 |
| 6051643 | Resin composite and method for producing the same | Naoki Hasegawa, Arimitsu Usuki, Akane Okada | 2000-04-18 |
| 6023312 | Optical device with memory function employing liquid crystal/orientation-sustaining material composite, and method for using same | Naoki Hasegawa, Arimitsu Usuki, Akane Okada | 2000-02-08 |
| 5766508 | Liquid crystal composition | Naoki Hasegawa, Arimitsu Usuki, Akane Okada, Masaaki Tani, Yoshiaki Fukushima | 1998-06-16 |
| 5645758 | Liquid crystal composition, liquid crystal device using the same, light controlling element, recording medium, and light shutter | Hisato Takeuchi, Arimitsu Usuki, Akane Okada | 1997-07-08 |
| 4894411 | Composite material and process for producing the same | Akane Okada, Masao Kohzaki, Megumi Fujimoto, Yoshitsugu Kojima, Toshio Kurauchi +1 more | 1990-01-16 |
| 4810734 | Process for producing composite material | Masao Kohzaki, Yoshitsugu Kojima, Akane Okada, Osami Kamigaito | 1989-03-07 |
| 4739007 | Composite material and process for manufacturing same | Akane Okada, Yoshiaki Fukushima, Shinji Inagaki, Arimitsu Usuki, Shigetoshi Sugiyama +2 more | 1988-04-19 |