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 26–50 of 163 patents

Patent #TitleCo-InventorsDate
10797244 Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic device Tomoharu HAYAMA, Tetsuya Masuda, Hirokatsu Ito, Yumiko Mizuki, Tomoki Kato +1 more 2020-10-06
10790449 Compound, material for organic electroluminescence element, organic electroluminescence element, and electronic device Tasuku HAKETA, Yumiko Mizuki, Yoichi Ikeda 2020-09-29
10784446 Compound, organic electroluminescence element material, organic electroluminescence element and electronic device Tomoharu HAYAMA, Tetsuya Masuda, Hirokatsu Ito, Tasuku HAKETA, Yumiko Mizuki 2020-09-22
10763442 Compound, organic electroluminescent element material using same, organic electroluminescent element using this material, and electronic device Takashi Kashiwamura, Kiyoshi Ikeda, Hironori Kawakami 2020-09-01
10703762 Compound, material for organic electroluminescence device, organic electroluminescence device and electronic apparatus Yu KUDO, Yumiko Mizuki, Tomoki Kato, Hirokatsu Ito, Tasuku HAKETA +2 more 2020-07-07
10686137 Aromatic amine derivative, and organic electroluminescent element comprising the same Yumiko Mizuki, Masakazu Funahashi 2020-06-16
10629821 Compound, material for organic electroluminescent elements using same, and organic electroluminescent element and electronic device each using same Tasuku HAKETA, Yumiko Mizuki, Yoichi Ikeda 2020-04-21
10622569 Compound, organic electroluminescent element, and electronic device Tasuku HAKETA, Yumiko Mizuki, Hirokatsu Ito, Tomoharu HAYAMA 2020-04-14
10590080 Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device Satomi TASAKI, Toshinari Ogiwara, Hitoshi Kuma, Kei Yoshida, Keiji Okinaka 2020-03-17
10547007 Compound, organic electroluminescent material, organic electroluminescent element, and electronic apparatus Tasuku HAKETA, Hirokatsu Ito, Yu KUDO, Ryota Takahashi 2020-01-28
10464895 Compound, material for organic electroluminescence elements, organic electroluminescence element, and electronic device Tomoki Kato, Masakazu Funahashi 2019-11-05
10461257 Anthracene derivatives, luminescent materials and organic electroluminescent devices Mitsunori Ito 2019-10-29
10461258 Compound Takushi SHIOMI 2019-10-29
RE47654 Organic electroluminescence device Yuichiro Kawamura, Hitoshi Kuma, Hirokatsu Ito 2019-10-22
10435350 Organic electroluminecence device Hirokatsu Ito, Yumiko Mizuki, Tasuku HAKETA, Tomoharu HAYAMA, Ryota Takahashi 2019-10-08
10396288 Organic electroluminescent element and electronic device Hirokatsu Ito, Yumiko Mizuki, Tasuku HAKETA, Tomoharu HAYAMA 2019-08-27
10297765 Aromatic amine derivative and organic electroluminescent device using the same Yumiko Mizuki, Masakazu Funahashi, Mitsunori Ito 2019-05-21
10297761 Organic electroluminescent element Hitoshi Kuma, Toshinari Ogiwara, Satomi TASAKI, Yumiko Mizuki, Kazuki Nishimura +1 more 2019-05-21
10297757 Compound, material for organic electroluminescent elements, organic electroluminescent element and electronic device Yumiko Mizuki, Hirokatsu Ito, Tomoharu HAYAMA, Tasuku HAKETA 2019-05-21
10283717 Organic electroluminescent device using aryl amine derivative containing heterocycle Emiko Kambe, Akifumi Nakamura, Yasunori Kijima, Tadahiko Yoshinaga, Shigeyuki Matsunami 2019-05-07
10270040 Oxygen-containing fused ring amine compound, sulfur-containing fused ring amine compound and organic electroluminescence device Yoichi Ikeda, Hirokatsu Ito, Hiroyuki Saito, Takeshi Ikeda 2019-04-23
10263192 Organic electroluminescent device using aryl amine derivative containing heterocycle Emiko Kambe, Akifumi Nakamura, Yasunori Kijima, Tadahiko Yoshinaga, Shigeyuki Matsunami 2019-04-16
10263191 Aromatic amine derivative, and organic electroluminescent element comprising the same Yumiko Mizuki, Masakazu Funahashi 2019-04-16
10243148 Aromatic amine compound, and organic electroluminescent elements including the compound Tomoki Kato, Masakazu Funahashi 2019-03-26
10217954 Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic device Tomoharu HAYAMA, Yumiko Mizuki, Hirokatsu Ito, Tasuku HAKETA 2019-02-26