Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11652216 | Electrode catalyst layer for fuel cells and solid polymer fuel cell using same | Hiromu Watanabe, Ryoma Tsukuda, Naohiko Abe | 2023-05-16 |
| 10280501 | Roughened copper foil, copper clad laminate, and printed circuit board | Hiroaki Tsuyoshi | 2019-05-07 |
| 9269472 | Fluorine-doped tin-oxide particles and manufacturing method therefor | Kazuhiko Kato, Kenji Suzuoka, Yasunori Tabira, Isamu Yashima | 2016-02-23 |
| 8857163 | Exhaust heat utilization system | — | 2014-10-14 |
| 8697302 | Fuel cell system with purge valve and actuator for controlling purge valve with electromotive force of sub-power generation part | — | 2014-04-15 |
| 8691465 | Fuel cell and method of operating fuel cell | Masaaki Shibata | 2014-04-08 |
| 8247127 | Fuel cell and method of operating fuel cell | Masaaki Shibata | 2012-08-21 |
| 8133623 | Fuel cell | — | 2012-03-13 |
| 8084162 | Fuel cell and fuel cell apparatus with a switch responsive to an amount of water contained in the electrolyte membrane | Akira Morita, Akiyoshi Yokoi, Toru Nakakubo | 2011-12-27 |
| 8071250 | Fuel cell stack | Jun Yamamoto, Akiyoshi Yokoi, Atsuhito Yoshizawa | 2011-12-06 |
| 7931991 | Fuel cell | — | 2011-04-26 |
| 7914936 | Fuel cell system | Jun Yamamoto, Shoji Ihara, Toru Nakakubo | 2011-03-29 |
| 7914944 | Atmosphere open type fuel cell | Jun Yamamoto, Kazuyuki Ueda, Toru Nakakubo, Akiyoshi Yokoi | 2011-03-29 |
| 7816046 | Fuel cell apparatus having fuel cell stack and controller, and method of manufacturing same | Masaaki Shibata | 2010-10-19 |
| 7816047 | Method for stopping power generation of fuel cell system and fuel cell system including power generation stopping unit | Toru Nakakubo, Jun Yamamoto, Shoji Ihara, Kazuyuki Ueda | 2010-10-19 |
| 7811718 | Fuel cell | Masaaki Shibata | 2010-10-12 |
| 7695848 | Fuel cell stack | Atsuhito Yoshizawa, Jun Yamamoto | 2010-04-13 |
| 7691517 | Fuel cell system with a water holding member | Kazuyuki Ueda, Masaaki Shibata | 2010-04-06 |
| 7638224 | Fuel cell stack | Masaaki Shibata | 2009-12-29 |
| 7374836 | Fuel cell apparatus | Masaaki Shibata | 2008-05-20 |
| 6802753 | METHOD FOR MANUFACTURING ELECTRON BEAM DEVICE, METHOD FOR MANUFACTURING IMAGE FORMING APPARATUS, ELECTRON BEAM DEVICE AND IMAGE FORMING APPARATUS MANUFACTURED THOSE MANUFACTURING METHODS, METHOD AND APPARATUS FOR MANUFACTURING ELECTRON SOURCE, AND APPARATUS FOR MANUFACTURING IMAGE FORMING APPARATUS | Yoichi Ando, Keisuke Yamamoto, Hideshi Kawasaki, Tamaki Kobayashi, Akira Hayama | 2004-10-12 |
| 6731060 | Electron-emitting device, electron source using the electron-emitting device, and image-forming apparatus using the electron source | Keisuke Yamamoto, Tamaki Kobayashi | 2004-05-04 |
| 6642649 | Electron-emitting device, electron source using the electron-emitting device, and image-forming apparatus using the electron source | Keisuke Yamamoto, Tamaki Kobayashi | 2003-11-04 |
| 6633118 | Electron-emitting device, electron source using the electron-emitting device, and image-forming apparatus using the electron source | Keisuke Yamamoto, Tamaki Kobayashi | 2003-10-14 |
| 6475050 | Manufacturing method of image-forming apparatus | Keisuke Yamamoto, Tamaki Kobayashi | 2002-11-05 |