MN

Masaki Numata

IC Idemitsu Kosan Co.: 31 patents #33 of 1,237Top 3%
Samsung: 18 patents #7,482 of 75,807Top 10%
KY Kyulux: 3 patents #26 of 91Top 30%
Harvard University: 1 patents #1,740 of 3,600Top 50%
Overall (All Time): #50,523 of 4,157,543Top 2%
52
Patents All Time

Issued Patents All Time

Showing 26–50 of 52 patents

Patent #TitleCo-InventorsDate
9847493 Material for organic electroluminescence device and organic electroluminescence device using the same Tomoki Kato, Kazuki Nishimura, Toshihiro Iwakuma, Chishio Hosokawa 2017-12-19
9714237 Material for organic electroluminescent device and organic electroluminescent device using same Hideaki Nagashima 2017-07-25
9685615 Light emitting material, delayed fluorescent emitter, organic light emitting device, and compound Takuma Yasuda, Jiyoung Lee, Asuka YOSHIZAKI, Chihaya Adachi 2017-06-20
9660203 Material for organic electroluminescence device and organic electroluminescence device using the same Tomoki Kato, Kazuki Nishimura, Toshihiro Iwakuma, Chishio Hosokawa 2017-05-23
9537111 Compound, material for organic electroluminescence device, and organic electroluminescence device Yuki Nakano, Hideaki Nagashima 2017-01-03
9382206 Nitrogen-containing aromatic heterocyclic derivative and organic electroluminescence device using the same Tomoki Kato, Kazuki Nishimura, Chishio Hosokawa, Hideaki Nagashima 2016-07-05
9373792 Anthracene derivative and organic electroluminescent element using the same Masahiro Kawamura, Chishio Hosokawa 2016-06-21
9368731 Organic electroluminescence device Hiroyuki Saito, Ryo Naraoka, Tomoki Kato 2016-06-14
9266865 Material for organic electroluminescent element, and organic electroluminescent element using same Hideaki Nagashima 2016-02-23
9209410 Material for organic electroluminescence device and organic electroluminescence device utilizing the same Toshihiro Iwakuma, Jun Endo, Kenichi Fukuoka 2015-12-08
9199974 Material for organic electroluminescent device and organic electroluminescent device using same Hideaki Nagashima 2015-12-01
9147847 Anthracene derivative and organic electroluminescent element using the same Masahiro Kawamura, Chishio Hosokawa 2015-09-29
9056870 Material for organic electroluminescence device and organic electroluminescence device using the same Tomoki Kato, Kazuki Nishimura, Toshihiro Iwakuma, Chishio Hosokawa 2015-06-16
8987715 Organic electroluminescence element Kazuki Nishimura, Hitoshi Kuma, Chishio Hosokawa, Hideaki Nagashima 2015-03-24
8927118 Material for organic electroluminescence device and organic electroluminescence device using the same Tomoki Kato, Kazuki Nishimura, Toshihiro Iwakuma, Chishio Hosokawa 2015-01-06
8895966 Material for organic electroluminescence element, and organic electroluminescence element using same Hideaki Nagashima 2014-11-25
8866135 Anthracene derivative and organic electroluminescent element using the same Masahiro Kawamura, Chishio Hosokawa 2014-10-21
8629430 Anthracene derivative and organic electroluminescent element using the same Masahiro Kawamura, Chishio Hosokawa 2014-01-14
8471008 Material for organic electroluminescent element and organic electroluminescent element employing the same Toshihiro Iwakuma, Jun Endo, Kenichi Fukuoka 2013-06-25
8409730 Crosslinked pi-conjugated heteroacene compound for organic electroluminescence device and organic electroluminescence device using the same Tomoki Kato, Kazuki Nishimura, Toshihiro Iwakuma, Chishio Hosokawa 2013-04-02
8372529 Crosslinked pi-conjugated heteroacene compound for organic electroluminescence device and organic electroluminescence device using the same Tomoki Kato, Kazuki Nishimura, Toshihiro Iwakuma, Chishio Hosokawa 2013-02-12
8318323 Polycyclic compounds and organic electroluminescence device employing the same Tomoki Kato, Kazuki Nishimura, Toshihiro Iwakuma, Chishio Hosokawa, Kei Yoshida 2012-11-27
8114530 Material for organic electroluminescence device and organic electroluminescence device utilizing the same Toshihiro Iwakuma, Jun Endo, Kenichi Fukuoka 2012-02-14
8080658 Material for organic electroluminescent element and organic electroluminescent element employing the same Toshihiro Iwakuma, Jun Endo, Kenichi Fukuoka 2011-12-20
8057919 Material for organic electroluminescence device and organic electroluminescence device using the same Tomoki Kato, Kazuki Nishimura, Toshihiro Iwakuma, Chishio Hosokawa 2011-11-15