Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12113155 | Method of manufacturing optical semiconductor device and optical semiconductor device | Takashi Araki, Takehiro Miyaji | 2024-10-08 |
| 12107199 | Light-emitting element lamp and method for manufacturing the same | Takashi Araki | 2024-10-01 |
| 11009629 | Anti-reflection film and deep ultraviolet light-emitting device | — | 2021-05-18 |
| D915308 | Light emitting diode chip | — | 2021-04-06 |
| D915309 | Light emitting diode chip | — | 2021-04-06 |
| D857638 | Light emitting diode chip | Shinichi Fukushima | 2019-08-27 |
| 10128505 | Carbon material, electrode material using same and method of manufacturing same | Tomoyuki Sakai, Yoshimasa Imazaki | 2018-11-13 |
| D778849 | Light emitting diode chip | — | 2017-02-14 |
| 9287056 | Electrolyte for photoelectric conversion element, photoelectric conversion element using the electrolyte, and dye-sensitized solar cell using the electrolyte | — | 2016-03-15 |
| 9165720 | Conductive polymer/porous carbon material composite and electrode material using same | Tomoyuki Sakai, Kaoru Doi, Manabu Kato | 2015-10-20 |
| 8957305 | Electrolyte for photoelectric conversion element, and photoelectric conversion element and dye-sensitized solar cell using same | — | 2015-02-17 |
| 8481849 | Electrolyte for photovoltaic device as well as photovoltaic device and dye-sensitized solar cell including that electrolyte | Yuko Sekine | 2013-07-09 |
| 8469760 | Light emitting device and method for producing same | Masahiro Gotoh, Tetsuya Ikuta | 2013-06-25 |
| 8338692 | Electrolyte for photoelectric conversion elements, and photoelectric conversion element and dye-sensitized solar cell using the electrolyte | Yoshimasa Imazaki | 2012-12-25 |
| 8299270 | Clay modified electrolyte for a dye-sensitized solar cell | — | 2012-10-30 |
| 8253326 | Light-emitting device and manufacturing method thereof | Tetsuya Ikuta | 2012-08-28 |
| 8222515 | Electrolyte for photoelectric conversion elements, and photoelectric conversion element and dye-sensitized solar cell using the electrolyte | Yoshimasa Imazaki | 2012-07-17 |
| 8164254 | Light-emitting device and manufacturing method thereof | Tetsuya Ikuta | 2012-04-24 |
| 7956536 | Light emitting device and method for producing same | Masahiro Gotoh, Tetsuya Ikuta | 2011-06-07 |
| 7878876 | Light emitting device and method for producing same | Masahiro Gotoh, Tetsuya Ikuta | 2011-02-01 |
| 7875209 | Photovoltaic device comprising conductive polyaniline | Yuko Sekine | 2011-01-25 |
| 7812516 | Light-emitting device and manufacturing method thereof | Tetsuya Ikuta | 2010-10-12 |
| 7663863 | Electrode for capacitor and electric double layer capacitor using the same | Ayumu Kamakura | 2010-02-16 |
| 7585433 | Polyaniline/carbon composite and electric double-layer capacitor using same | Ayumu Kamakura | 2009-09-08 |
| 7497975 | Method for producing conductive polyaniline | Yuko Sekine | 2009-03-03 |