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 26–47 of 47 patents

Patent #TitleCo-InventorsDate
9142785 Organic electroluminescent element Masashi Tada 2015-09-22
9133205 Organic electroluminescent device Masaki Komori, Toshihiro Yamamoto, Megumi Matsumoto 2015-09-15
9040962 Depositing premixed materials Vadim Adamovich, Michael S. Weaver, Raymond Kwong, Chuanjun Xia, Bert Alleyne +2 more 2015-05-26
8993129 Fluorescence and delayed fluorescence-type organic light-emitting material and element Ayataka Endo, Chihaya Adachi, Kazuaki Yoshimura, Atsushi Kawada, Hiroshi Miyazaki 2015-03-31
8986858 Organic electroluminescent device Masashi Tada, Junya Ogawa, Megumi Matsumoto, Yasuhisa Tsutsumi 2015-03-24
8962158 Material having indolocarbazole compound for phosphorescent light-emitting element and organic electroluminescent element using the same Masaki Komori, Toshihiro Yamamoto 2015-02-24
8906521 Organic electroluminescent device having triptycene derivative material Mitsuru Suda, Toshihiro Yamamoto 2014-12-09
8859109 Compound for organic electroluminescent device and organic electroluminescent device using the same Yuichi Sawada, Masaki Komori, Toshihiro Yamamoto 2014-10-14
8815416 Organic electroluminescent device using a bipyrimidine compound Junya Ogawa, Toshihiro Yamamoto 2014-08-26
8795848 Indolocarbazole derivative with fused heterocyclic aromatic group for organic electroluminescent device and organic electroluminescent device containing same Masaki Komori, Toshihiro Yamamoto 2014-08-05
8722208 Organic electroluminescent device Hideki Tanaka, Mitsuru Suda, Toshihiro Yamamoto, Megumi Matsumoto 2014-05-13
8709614 Organic metal complex and its use in organic electroluminescent device Toshihiro Yamamoto, Masaki Komori, Hiroshi Miyazaki 2014-04-29
8703302 Indolocarbazole derivative with aromatic phosphne oxide group for organic electroluminescent device and organic electroluminescent device containing same Masaki Komori, Toshihiro Yamamoto 2014-04-22
8703303 Organic electroluminescent device having a light-emitting layer comprising a host material of two or more compounds Toshihiro Yamamoto, Masaki Komori, Taishi Tsuji, Yasuhiro Takahashi, Toshinao Yuki +3 more 2014-04-22
8389131 Material for use in phosphorescent device and organic electroluminescent device using same Masaki Komori, Toshihiro Yamamoto, Megumi Matsumoto 2013-03-05
8227798 Compound for organic electroluminescent device and organic electroluminescent device Toshihiro Yamamoto, Masanori Hotta, Junya Ogawa 2012-07-24
8062769 Indolocarbazole compound for use in organic electroluminescent device and organic electroluminescent device Masaki Komori, Toshihiro Yamamoto 2011-11-22
8012606 Heterocyclic compound and organic electroluminescent device using the same Toshihiro Yamamoto, Masaki Komori, Masanori Hotta, Yuichi Sawada 2011-09-06
8013330 Compound for organic electroluminescent device and organic electroluminescent device Masaki Komori, Toshihiro Yamamoto, Katsuhide Noguchi, Hiroshi Miyazaki 2011-09-06
8008657 Compound for organic electroluminescent device and organic electroluminescent device Masaki Komori, Toshihiro Yamamoto, Katsuhide Noguchi, Hiroshi Miyazaki 2011-08-30
7993760 Compound for use in organic electroluminescent device and organic electroluminescent device Masaki Komori, Toshihiro Yamamoto, Masanori Hotta 2011-08-09
7605277 Aminodibenzodioxin derivative and organic electroluminescent using the same Hirokatsu Sekiya, Hiroshi Miyazaki, Shigetaka Ishikawa 2009-10-20