TK

Takahiro Kai

NC NS Sumikin Chemical: 28 patents #1 of 144Top 1%
NC Nippon Steel Chemical: 11 patents #8 of 184Top 5%
NC Nippon Steel Chemical Co.: 8 patents #5 of 380Top 2%
Pioneer: 5 patents #362 of 1,730Top 25%
TP Tohoku Pioneer: 4 patents #64 of 312Top 25%
KU Kyushu University, National University: 1 patents #221 of 767Top 30%
CO Comcast: 1 patents #2,409 of 4,447Top 55%
Overall (All Time): #60,432 of 4,157,543Top 2%
47
Patents All Time

Issued Patents All Time

Showing 1–25 of 47 patents

Patent #TitleCo-InventorsDate
11600786 Organic electroluminescent element Junya Ogawa, Masanori Hotta, Yuji IKENAGA, Mitsuru Sakai, Masashi Tada +2 more 2023-03-07
10807996 Material for organic electroluminescent element and organic electroluminescent element in which same is used Tokiko Ueda, Junya Ogawa, Masashi Tada 2020-10-20
10636981 Material for organic electroluminescent element and organic electroluminescent element using the same Junya Ogawa, Masashi Tada, Tokiko Ueda 2020-04-28
10529932 Organic-electroluminescent-element material and organic electroluminescent element using same Junya Ogawa, Tokiko Ueda, Masashi Tada, Masaki Komori, Toshihiro Yamamoto 2020-01-07
10468608 Organic-electroluminescent-element material, and organic electroluminescent element using same Junya Ogawa, Tokiko Ueda, Masashi Tada 2019-11-05
10446767 Organic-electroluminescent-element material and organic electroluminescent element using same Tokiko Ueda, Junya Ogawa, Masashi Tada 2019-10-15
10411198 Material for organic electroluminescent elements, and organic electroluminescent element using same Junya Ogawa, Masashi Tada, Tokiko Ueda 2019-09-10
10361378 Organic electroluminescent device Masashi Tada, Katsuhide Noguchi, Yasuhiro Takahashi, Yuhki Terao, Taishi Tsuji +2 more 2019-07-23
10340460 Organic electroluminescent element Takayuki Fukumatsu, Katsuhide Noguchi, Masashi Tada, Mitsuru Sakai, Tohru Asari +6 more 2019-07-02
10305048 Organic-electroluminescent-element material and organic electroluminescent elements using same Junya Ogawa, Tokiko Ueda, Masashi Tada, Masaki Komori, Toshihiro Yamamoto 2019-05-28
10283721 Material for organic electroluminescent elements, and organic electroluminescent element using same Junya Ogawa, Masashi Tada, Tokiko Ueda 2019-05-07
9985219 Organic electroluminescent element Rumi Sannomiya, Masaki Komori, Toshihiro Yamamoto 2018-05-29
9978963 Material for organic electroluminescent elements, and organic electroluminescent element using same Tokiko Ueda, Junya Ogawa 2018-05-22
9865829 Organic electroluminescent element material and organic electroluminescent element using same Masashi Tada, Tohru Asari, Junya Ogawa 2018-01-09
9716238 Boron compound for organic electroluminescent elements, and organic electroluminescent element Rumi Sannomiya, Masaki Komori, Masashi Tada, Toshihiro Yamamoto 2017-07-25
9614166 Organic electroluminescent element Hideki Tanaka 2017-04-04
9466802 Organic electroluminescent element Masashi Tada 2016-10-11
9461250 Organic electroluminescent device Junya Ogawa, Toshihiro Yamamoto, Megumi Matsumoto 2016-10-04
9343685 Organic electroluminescent element Masaki Komori, Toshihiro Yamamoto, Tohru Asari, Takaya Ishiyama, Megumi Matsumoto 2016-05-17
9337432 Organic electroluminescent element Junya Ogawa, Megumi Matsumoto 2016-05-10
9299947 Organic electroluminescent device having an electron- and /or exciton-blocking layer comprising an indolocarbazole compound Toshihiro Yamamoto, Masaki Komori, Kazuaki Yoshimura, Taishi Tsuji, Yasuhiro Takahashi 2016-03-29
9290498 Organic electroluminescent device having an electron- and/or exciton-blocking layer comprising an indolocarbazole compound Toshihiro Yamamoto, Masaki Komori, Kazuaki Yoshimura, Taishi Tsuji, Yasuhiro Takahashi +2 more 2016-03-22
9260433 Organic electroluminescent device Toshihiro Yamamoto, Masaki Komori, Megumi Matsumoto 2016-02-16
9214637 Chalcogen-containing aromatic compound, organic semiconductor material, and organic electronic device Mitsuru Suda, Megumi Matsumoto 2015-12-15
9156843 Organic electroluminescent device comprising an organic layer containing an indolocarbazole compound Masaki Komori, Toshihiro Yamamoto, Megumi Matsumoto 2015-10-13