Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9871257 | Porous electrode substrate, method for manufacturing same, membrane electrode assembly, polymer electrolyte fuel cell, precursor sheet, and fibrillar fibers | Kazuhiro Sumioka, Shigeru Tanoue | 2018-01-16 |
| 9786923 | Porous electrode substrate, method for manufacturing same, membrane electrode assembly, polymer electrolyte fuel cell, precursor sheet, and fibrillar fibers | Kazuhiro Sumioka, Shigeru Tanoue | 2017-10-10 |
| 9780383 | Porous electrode substrate and process for production thereof, porous electrode substrate precursor sheet, membrane-electrode assembly, and polymer electrolyte fuel cell | Kazuhiro Sumioka | 2017-10-03 |
| 9343751 | Porous electrode substrate, method for producing the same, precursor sheet, membrane electrode assembly, and polymer electrolyte fuel cell | Kazuhiro Sumioka | 2016-05-17 |
| 9325016 | Porous electrode substrate and process for production thereof, porous electrode substrate precursor sheet, membrane-electrode assembly, and polymer electrolyte fuel cell | Kazuhiro Sumioka | 2016-04-26 |
| 8986907 | Porous electrode substrate, method for producing the same, membrane electrode assembly, and polymer electrolyte fuel cell | Kazuhiro Sumioka | 2015-03-24 |
| 8927173 | Porous electrode substrate, method for producing the same, membrane electrode assembly, and polymer electrolyte fuel cell | Kazuhiro Sumioka | 2015-01-06 |
| 8574758 | Porous electrode substrate and method for producing the same | Kazuhiro Sumioka | 2013-11-05 |
| 8358250 | Antenna coil | Kenji Naito, Takaaki Ooi | 2013-01-22 |
| 7425929 | Coil antenna | — | 2008-09-16 |
| 7199993 | Ion-generating component, ion-generating unit, and ion-generating apparatus | Shinji Kato | 2007-04-03 |
| 6677849 | High-voltage variable resistor | Shinji Kato | 2004-01-13 |
| 5936794 | Media library system using media management scheme for reducing recording medium access time | Makoto Mizukami, Nobuyoshi Izawa, Kikuji Katoh, Yoshihiro Isomura | 1999-08-10 |
| 5164113 | Optical active compound and liquid crystal composition | Tetsuya Ikemoto, Keiichi Sakashita, Seiji Hayashi, Yoshitaka Kageyama, Kenji Mori +1 more | 1992-11-17 |
| 5124069 | Optically active substance and liquid crystal composition comprising same | Jun Nakauchi, Keiichi Sakashita, Seiji Hayashi, Yoshitaka Kageyama, Tetsuya Ikemoto | 1992-06-23 |
| 4751018 | Alpha-methylcinnamic acid ester derivative and liquid crystal composition | Jun Nakauchi, Yoshitaka Kageyama, Mioko Uematsu, Shunsuke Minami | 1988-06-14 |