Issued Patents All Time
Showing 1–25 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12338123 | Hydrogen peroxide production method | Kouki OKA, Bjorn Winther-Jensen | 2025-06-24 |
| 11639403 | Polymer, composite positive active material including the same, and lithium secondary battery including electrode including the positive active material | Wonsung Choi, Seokgwang Doo, Kenichi Oyaizu | 2023-05-02 |
| 10326138 | Charge storage material, electrode active material and secondary battery | Kenichi Oyaizu, Yuya KAMBE, Takuji Yoshimoto | 2019-06-18 |
| 10164258 | Fused-ring quinone-substituted polynorbornene, electrode active material and secondary battery | Kenichi Oyaizu, Takuma KAWAI, Satoshi Nakao, Takuji Yoshimoto | 2018-12-25 |
| 9871253 | Ion-conductive fused-ring quinone polymer, electrode active material and secondary battery | Kenichi Oyaizu, Takuma KAWAI, Takuji Yoshimoto | 2018-01-16 |
| 9647269 | Electrode active material and secondary battery | Kenichi Oyaizu, Hiroki Yakushiji, Shigeyuki Iwasa, Kentaro Nakahara | 2017-05-09 |
| 9356292 | Radical composition and battery using same | Kenichi Oyaizu, Sosuke Yamaguchi, Nobutaka Fujimoto, Yuji Kinpara, Shun Hashimoto +2 more | 2016-05-31 |
| 9343786 | Electrochemical device | Ryo Omoda, Yuichi Aihara, Satoshi Nakajima, Natsuru CHIKUSHI | 2016-05-17 |
| 9276301 | Polymeric compound, oxygen permeable membrane, and electrochemical device | Ryo Omoda, Satoshi Nakajima, Yuichi Aihara | 2016-03-01 |
| 9236576 | Photoelectric element, process for producing photoelectric element, and photosensitizer | Michio Suzuka, Takashi Sekiguchi, Takeyuki Yamaki, Kenichi Oyaizu, Fumiaki Kato +1 more | 2016-01-12 |
| 9159500 | Photoelectric conversion element | Michio Suzuka, Takashi Sekiguchi, Naoki Hayashi, Kenichi Oyaizu, Fumiaki Kato | 2015-10-13 |
| 9029845 | Electrode composite and photoelectric element equipped therewith | Michio Suzuka, Takashi Sekiguchi, Kenichi Oyaizu, Fumiaki Kato | 2015-05-12 |
| 9012901 | Photoelectric conversion element | Michio Suzuka, Takashi Sekiguchi, Naoki Hayashi, Takeyuki Yamaki, Kenichi Oyaizu +1 more | 2015-04-21 |
| 9013023 | Photoelectric element having stacked charge-transport layers | Michio Suzuka, Takashi Sekiguchi, Naoki Hayashi, Kenichi Oyaizu, Fumiaki Kato | 2015-04-21 |
| 8952372 | Photoelectric element and method for producing the same | Takashi Sekiguchi, Michio Suzuka, Naoki Hayashi, Takeyuki Yamaki, Kenichi Oyaizu +2 more | 2015-02-10 |
| 8895975 | Photoelectric element | Naoki Hayashi, Michio Suzuka, Takashi Sekiguchi, Takeyuki Yamaki, Kenichi Oyaizu +2 more | 2014-11-25 |
| 8841550 | Photoelectric element | Takashi Sekiguchi, Mitsuo Yaguchi, Takeyuki Yamaki, Kenichi Oyaizu, Fumiaki Kato +2 more | 2014-09-23 |
| 8729532 | Light-absorbing material and photoelectric conversion element | Takashi Sekiguchi, Michio Suzuka, Takeyuki Yamaki, Kenichi Oyaizu, Fumiaki Kato +1 more | 2014-05-20 |
| 8674215 | Photoelectric device | Takashi Sekiguchi, Shingo Kambe, Kenichi Oyaizu, Fumiaki Kato, Akira Takahashi +3 more | 2014-03-18 |
| 8592807 | Photoelectric element | Takashi Sekiguchi, Mitsuo Yaguchi, Takeyuki Yamaki, Kenichi Oyaizu, Fumiaki Kato +2 more | 2013-11-26 |
| 8017659 | Proton conductive polymer electrolyte and fuel cell including the same | Hiroko Endo, Atsuo Sonai, Takahiro Tago, Teruyuki Okayasu | 2011-09-13 |
| 8008411 | Proton-conductive material, proton-conductive electrolyte for fuel cell comprising the material and fuel cell employing the electrolyte | Hiroko Endo, Atsuo Sonal, Takahiro Tago | 2011-08-30 |
| 7876596 | Memory element and method for manufacturing same | Kenji Honda, Yasunori Yonekuta, Takashi Kurata, Shigemoto Abe | 2011-01-25 |
| 7829218 | Proton conductive electrolyte and fuel cell comprising the same | Hiroko Endo, Atsuo Sonai, Takahiro Tago | 2010-11-09 |
| 7649075 | Process for preparing polyphenylene ether | Kei Saito | 2010-01-19 |