Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11905486 | Viscosity index improver composition and lubricating oil composition | Taeko NAKANO, Koki Hirano, Motoharu Ishikawa | 2024-02-20 |
| 11390825 | Dispersing agent for lubricating oil, method for producing same, and lubricating oil composition | Hiroaki Koshima, Moritsugu Kasai | 2022-07-19 |
| 9790450 | Lubricating oil composition for engine made of aluminum alloy and lubrication method | Junya Iwasaki, Yasunori Shimizu | 2017-10-17 |
| 9214636 | Organic electroluminescence device | Masakazu Funahashi, Kiyoshi Ikeda, Chishio Hosokawa | 2015-12-15 |
| 9126887 | Organic electroluminescent element material and organic electroluminescent element comprising same | Toshihiro Iwakuma, Toshinari Ogiwara | 2015-09-08 |
| 9120748 | Fluoranthene compound, organic electroluminescence device using the same, and solution containing organic electroluminescence material | Masakazu Funahashi, Kiyoshi Ikeda, Chishio Hosokawa | 2015-09-01 |
| 8940412 | Material for organic electroluminescent element, and organic electroluminescent element | Toshihiro Iwakuma, Toshinari Ogiwara, Chishio Hosokawa, Mitsunori Ito | 2015-01-27 |
| 8779655 | Organic electroluminescence device and material for organic electroluminescence device | Kazuki Nishimura, Toshihiro Iwakuma, Kenichi Fukuoka, Chishio Hosokawa, Masahiro Kawamura +2 more | 2014-07-15 |
| 8587192 | Organic electroluminescence device and material for organic electroluminescence device | Kazuki Nishimura, Toshihiro Iwakuma, Kenichi Fukuoka, Chishio Hosokawa, Masahiro Kawamura +2 more | 2013-11-19 |
| 8568903 | Phenanthrene derivative, and material for organic EL element | Masahiro Kawamura, Kazuki Nishimura, Mitsunori Ito, Toshihiro Iwakuma, Toshinari Ogiwara | 2013-10-29 |
| 8367869 | Aromatic amine derivative and organic electroluminescence device using the same | Chishio Hosokawa, Masakazu Funahashi | 2013-02-05 |
| 8330350 | Organic electroluminescence device and material for organic electroluminescence device | Kazuki Nishimura, Toshihiro Iwakuma, Kenichi Fukuoka, Chishio Hosokawa, Masahiro Kawamura +2 more | 2012-12-11 |
| 8221907 | Chrysene derivative and organic electroluminescent device using the same | Masahiro Kawamura, Kazuki Nishimura, Toshihiro Iwakuma, Kenichi Fukuoka, Chishio Hosokawa +6 more | 2012-07-17 |
| 8211552 | Organic electroluminescence device | Kazuki Nishimura, Toshihiro Iwakuma, Kenichi Fukuoka, Chishio Hosokawa, Masahiro Kawamura +2 more | 2012-07-03 |
| 8154195 | Organic electroluminescence device and material for organic electroluminescence device | Kazuki Nishimura, Toshihiro Iwakuma, Kenichi Fukuoka, Chishio Hosokawa, Masahiro Kawamura +2 more | 2012-04-10 |
| 8039127 | Organic electroluminescence device and material for organic electroluminescence device | Toshihiro Iwakuma, Mitsunori Ito, Toshinari Ogiwara | 2011-10-18 |
| 8039129 | Organic electroluminescence device and material for organic electroluminescence device | Toshihiro Iwakuma, Mitsunori Ito, Toshinari Ogiwara | 2011-10-18 |
| 8034256 | Naphthalene derivative, material for organic electroluminescence device, and organic electroluminescence device using the same | Masahiro Kawamura, Kazuki Nishimura, Mitsunori Ito, Toshihiro Iwakuma, Toshinari Ogiwara +2 more | 2011-10-11 |
| 8029697 | Naphthalene derivative, material for organic electroluminescence device, and organic electroluminescence device using the same | Masahiro Kawamura, Kazuki Nishimura, Mitsunori Ito, Toshihiro Iwakuma, Toshinari Ogiwara +2 more | 2011-10-04 |
| 8025815 | Naphthalene derivative, material for organic electroluminescence device, and organic electroluminescence device using the same | Masahiro Kawamura, Kazuki Nishimura, Mitsunori Ito, Toshihiro Iwakuma, Toshinari Ogiwara +2 more | 2011-09-27 |
| 8022253 | Aromatic amine derivative and organic electroluminescence device using the same | Chishio Hosokawa, Masakazu Funahashi | 2011-09-20 |
| 8021574 | Naphthalene derivative, material for organic electroluminescence device, and organic electroluminescence device using the same | Masahiro Kawamura, Kazuki Nishimura, Mitsunori Ito, Toshihiro Iwakuma, Toshinari Ogiwara +2 more | 2011-09-20 |
| 7851073 | Organic electroluminescence device and material for organic electroluminescence device | Tetsuya Inoue, Masakazu Funahashi | 2010-12-14 |
| 7838130 | Aminodibenzofluorene derivative and organic electroluminescence device using the same | Masakazu Funahashi | 2010-11-23 |
| 6037312 | Isoxazole derivatives | Hideki Kamano, Masashi Sakamoto | 2000-03-14 |