Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11999818 | High molecular weight triarylamine compound comprising terphenyl structure in molecular main chain and organic electroluminescent element comprising said high molecular weight compound | Hideyoshi Kitahara, Junichi IZUMIDA, Hiroki HIRAI, Mika SHINODA | 2024-06-04 |
| 11968882 | High-molecular-weight compound including substituted triarylamine structural unit, and organic electroluminescent device | Mika SHINODA, Hideyoshi Kitahara, Shunji Mochizuki, Hiroki HIRAI, Yuta SAEGUSA | 2024-04-23 |
| 11375075 | Temperature based control for document reading apparatus | — | 2022-06-28 |
| 11251373 | High molecular weight compound containing substituted triarylamine structural unit | Hideyoshi Kitahara, Mari Kaneko, Junichi IZUMIDA | 2022-02-15 |
| 11196004 | High-molecular-weight compound having substituted triarylamine skeleton | Hideyoshi Kitahara, Junichi IZUMIDA, Mari Kaneko | 2021-12-07 |
| 11102368 | Image forming apparatus | — | 2021-08-24 |
| 10797242 | Compound having substituted triphenylene ring structure, and organic electroluminescent device | Chihaya Adachi, Norimasa Yokoyama, Shintaro Nomura | 2020-10-06 |
| 10593884 | Organic electroluminescent device | Norimasa Yokoyama, Shuichi Hayashi, Takeshi Yamamoto, Naoaki Kabasawa, Daizou Kanda +1 more | 2020-03-17 |
| 10375270 | Signal processing apparatus, image processing apparatus, and signal processing method | — | 2019-08-06 |
| 10276800 | Organic electroluminescence device having at least an a node, a hole injection layer, a first hole transport layer. A second hole transport layer a luminous layer, an electron transport layer, and a cathode | Shuichi Hayashi, Daizo Kanda | 2019-04-30 |
| 10097713 | Image reading apparatus equipped with original-size-detection function and image forming apparatus equipped with image reading apparatus | — | 2018-10-09 |
| 10038819 | Signal processing apparatus, image processing apparatus, and signal processing method | — | 2018-07-31 |
| 10032995 | Compound having diazatriphenylene ring structure, and organic electroluminescent device | Chihaya Adachi, Takuma Yasuda, Katsuyuki Shizu, Takehiro Takahashi | 2018-07-24 |
| 10026903 | Compound having substituted triphenylene ring structure, and organic electroluminescent device | Chihaya Adachi, Norimasa Yokoyama, Shintaro Nomura | 2018-07-17 |
| 9732036 | Compound having carbazole ring structure, and organic electroluminescent device | Norimasa Yokoyama, Makoto Nagaoka, Shigeru Kusano | 2017-08-15 |
| 9685612 | Compound having substituted triphenylene ring structure, and organic electroluminescent device | Chihaya Adachi, Norimasa Yokoyama, Shintaro Nomura | 2017-06-20 |
| 9306174 | Organic electroluminescent device | Norimasa Yokoyama, Makoto Nagaoka, Shigeru Kusano, Eiji Takahashi | 2016-04-05 |
| 9306175 | Organic electroluminescent device | Norimasa Yokoyama, Makoto Nagaoka, Shigeru Kusano, Eiji Takahashi | 2016-04-05 |
| 9238624 | Method of producing aromatic amino compounds | Norimasa Yokoyama, Makoto Nagaoka | 2016-01-19 |
| 9225867 | Image reading apparatus | — | 2015-12-29 |
| 9196837 | Compound having indenocarbazole ring structure, and organic electroluminescent device | Norimasa Yokoyama, Makoto Nagaoka, Kouki KASE, Eiji Takahashi | 2015-11-24 |
| 8735626 | Method of producing aromatic amino compounds | Norimasa Yokoyama, Makoto Nagaoka | 2014-05-27 |
| 7813660 | Image adjusting method and image forming apparatus | Katsumi Takahashi, Yuichiro Maeda, Yushi Oka, Kenji Kuroki, Yuzo Matsumoto +1 more | 2010-10-12 |
| 7782503 | Image reading apparatus and method for controlling the same | Katsuhiro Ishido, Shinichiro Wakahara, Shouhei Takeda, Jiro Futagawa, Yuichi Makino +3 more | 2010-08-24 |
| 7719726 | Image reading apparatus and method of displaying alien substance location thereof | Masafumi Kamei, Tetsuro Fukusaka, Katsuhiro Ishido, Takashi Soya, Yuichi Makino +3 more | 2010-05-18 |