MK

Masahiro Kawamura

IC Idemitsu Kosan Co.: 143 patents #2 of 1,237Top 1%
JO Joled: 6 patents #72 of 392Top 20%
AC Asahi Denso Co.: 3 patents #4 of 39Top 15%
SO Sony: 3 patents #10,744 of 25,231Top 45%
Sharp Kabushiki Kaisha: 3 patents #4,164 of 10,731Top 40%
Yamaha Motor: 3 patents #603 of 2,310Top 30%
HC Hitachi Industrial Equipment Systems Co.: 2 patents #215 of 550Top 40%
ML Mitsubishi Plastics Industries Limited: 2 patents #7 of 51Top 15%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
HC Hitachi Chemical Company: 1 patents #1,071 of 1,946Top 60%
HS Hitachi Seiko: 1 patents #36 of 106Top 35%
CO Comcast: 1 patents #2,409 of 4,447Top 55%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
AT Advanced Mobile Telecommunications Technology: 1 patents #12 of 14Top 90%
Overall (All Time): #5,203 of 4,157,543Top 1%
163
Patents All Time

Issued Patents All Time

Showing 76–100 of 163 patents

Patent #TitleCo-InventorsDate
9660195 Anthracene derivative having a phenanthryl group Mitsunori Ito 2017-05-23
9614159 Benzophenanthrene derivative and organic electroluminescence device employing the same 2017-04-04
9512137 Organic electroluminescence device Hirokatsu Ito, Hiroyuki Saito, Yumiko Mizuki, Yuichiro Kawamura 2016-12-06
9508939 Compound and organic electroluminescent element produced using same Kiyoshi Ikeda, Akinori Yomogita, Hidetoshi Ono 2016-11-29
9484540 Oxygen-containing fused ring derivative and organic electroluminescence device comprising the same Hirokatsu Ito, Yuichiro Kawamura, Yumiko Mizuki, Hiroyuki Saito 2016-11-01
9466800 Aromatic amine derivative, and organic electroluminescent element comprising the same Yumiko Mizuki, Masakazu Funahashi 2016-10-11
9461251 Anthracene derivative and organic electroluminescence device using the same Takashi Obikawa, Shigeyuki Matsunami, Ichinori Takada, Yasunori Kijima 2016-10-04
9419226 Condensed fluoranthene compound, material for organic electroluminescent element using this compound, organic electroluminescent element using this material, and electronic device Kazuki Nishimura 2016-08-16
9391279 Aromatic amine derivative and organic electroluminescent device using the same Yumiko Mizuki, Masakazu Funahashi, Mitsunori Ito 2016-07-12
9373792 Anthracene derivative and organic electroluminescent element using the same Chishio Hosokawa, Masaki Numata 2016-06-21
9353027 Organic electroluminescent element using pyrene derivative Yuichiro Kawamura, Yumiko Mizuki, Hiroyuki Saito, Hirokatsu Ito 2016-05-31
9331285 Aromatic amine derivative and organic electroluminescent element using same Yumiko Mizuki, Sayaka Mizutani 2016-05-03
9324950 Organic electroluminescence device Yuichiro Kawamura, Hiroyuki Saito, Hitoshi Kuma, Yukitoshi Jinde, Hirokatsu Ito +2 more 2016-04-26
9273002 Benzo[k]fluoranthene derivative and organic electroluminescence device containing the same Hirokatsu Ito, Yuichiro Kawamura, Yumiko Mizuki, Hiroyuki Saito 2016-03-01
9269907 Aromatic amine derivative and organic electroluminescence device using the same Yumiko Mizuki, Hiroyuki Saito, Yuichiro Kawamura, Hirokatsu Ito 2016-02-23
9240694 Method for charging battery and charge control device for battery Yasushi Tsuchida, Shigenori Hama 2016-01-19
9174938 Organic electroluminescence device Yukitoshi Jinde, Hiroyuki Saito, Kenichi Fukuoka, Hiroshi Yamamoto, Yuichiro Kawamura +1 more 2015-11-03
9169274 Pyrene derivative and organic electroluminescent element using the same Yumiko Mizuki, Yuichiro Kawamura, Hiroyuki Saito 2015-10-27
9166179 Aromatic amine derivative, and organic electroluminescent element comprising the same Yumiko Mizuki, Masakazu Funahashi 2015-10-20
9147847 Anthracene derivative and organic electroluminescent element using the same Chishio Hosokawa, Masaki Numata 2015-09-29
9126943 Nitrogenated heterocyclic ring derivative and organic electroluminescent element comprising same Yuichiro Kawamura, Sayaka Mizutani, Hirokatsu Ito 2015-09-08
9112167 Aromatic amine derivatives and organic electroluminescent device using same Nobuhiro Yabunouchi, Hisayuki Kawamura, Chishio Hosokawa, Shigeyuki Matsunami, Tadahiko Yoshinaga +1 more 2015-08-18
9112171 Organic light emitting device and materials for use in same Brian D'Andrade, Julia J. Brown, Michael S. Weaver, Kazuki Nishimura, Toshihiro Iwakuma +2 more 2015-08-18
9099658 Organic electroluminescence device Hirokatsu Ito, Toshinari Ogiwara, Yumiko Mizuki 2015-08-04
9054322 Aromatic amine derivative, and organic electroluminescent element Nobuhiro Yabunouchi, Tomoki Kato 2015-06-09