Issued Patents All Time
Showing 1–25 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12341122 | Semiconductor device | — | 2025-06-24 |
| 11984607 | Gas diffusion layer, membrane electrode assembly, fuel cell, and manufacturing method of gas diffusion layer | Tsutomu Kawashima, Miyuki Yoshimoto, Koji Ogawa | 2024-05-14 |
| 11489174 | Fuel battery cell, fuel battery, and method of manufacturing fuel battery cell | Tsutomu Kawashima | 2022-11-01 |
| 9793555 | Membrane electrode assembly with gas diffusion layers having a rib porosity and method of manufacturing the same, as well as fuel cell | Masaki Yamauchi, Yoichiro Tsuji, Naotsugu Koashi, Hideo Kasahara, Takashi Nakagawa | 2017-10-17 |
| 9490497 | Solid polymer electrolyte type fuel cell, and electrolyte membrane-electrode-frame assembly | Mitsuo Yoshimura | 2016-11-08 |
| 9005840 | Polymer fuel cell stack and polymer fuel cell separator pair | Takashi Morimoto, Toshihiro Matsumoto, Atusi Murata, Mitsuo Yoshimura | 2015-04-14 |
| 8962212 | Unit cell module and gasket for polymer electrolyte fuel cell | Toshihiro Matsumoto, Takashi Morimoto, Mitsuo Yoshimura | 2015-02-24 |
| 8871405 | Polymer electrolyte fuel cell stack | — | 2014-10-28 |
| 8649580 | Image processing method, image processing apparatus, and computer-readable recording medium storing image processing program | — | 2014-02-11 |
| 8497104 | Method for producing an organic acid | Yoshinori Tajima | 2013-07-30 |
| 8129990 | Image processing apparatus and computer program product | — | 2012-03-06 |
| 7998636 | Polymer electrolyte fuel cell stack | Toshihiro Matsumoto, Takashi Morimoto, Mitsuo Yoshimura, Kenji Arai, Yoshiki Nagao | 2011-08-16 |
| 7995291 | Image reading lens system and image reading apparatus | — | 2011-08-09 |
| 7911712 | Imaging lens and imaging apparatus | Yu Kitahara, Taro Asami | 2011-03-22 |
| 7636205 | Wide-angle imaging lens | — | 2009-12-22 |
| 7599130 | Image reading lens and image reading apparatus | — | 2009-10-06 |
| 7477460 | Image reading lens and image reading apparatus | — | 2009-01-13 |
| 7417806 | Lens with reference mounting surface | Toshiaki Katsuma, Masao Mori, Yu Kitahara, Makoto Oomura | 2008-08-26 |
| 7335496 | Method for producing target substance | Hisao Ito | 2008-02-26 |
| 7230776 | Image scanning lens and image reader that uses same | — | 2007-06-12 |
| 7220064 | Coupling optical system for optical communications | Masao Mori, Yu Kitahara, Makoto Oomura, Toshiaki Katsuma | 2007-05-22 |
| 7138563 | Gene of aluminum-activated malate transporter of a plant and a protein encoded by the gene | Hideaki Matsumoto, Takayuki Sasaki, Bunichi Ezaki, Maki Katsuhara | 2006-11-21 |
| 6999246 | Image scanning lens and image scanning device that uses same | Hiromitsu Yamakawa | 2006-02-14 |
| 6894848 | Image scanning lens and image scanning device that uses same | — | 2005-05-17 |
| 5897673 | Fine metallic particles-containing fibers and method for producing the same | Ryosuke Nishida | 1999-04-27 |