KO

Kenichi Oyaizu

WU Waseda University: 15 patents #3 of 411Top 1%
PA Panasonic: 11 patents #2,326 of 21,108Top 15%
NI Nissan Chemical Industries: 4 patents #343 of 1,150Top 30%
NE Nec: 2 patents #5,510 of 14,502Top 40%
JT Japan Science And Technology: 1 patents #225 of 836Top 30%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
NC Nippon Shokubai Co.: 1 patents #656 of 1,108Top 60%
SC Sumitomo Seika Chemicals Co.: 1 patents #180 of 365Top 50%
Samsung: 1 patents #49,284 of 75,807Top 70%
Overall (All Time): #202,272 of 4,157,543Top 5%
21
Patents All Time

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
12338327 Polymeric material, production method therefor, and polymeric material composition Motoyasu Hirai, Yushun SUN, Kanta MATSUSHIMA, Jun Nakamura, Takeo Kawase +1 more 2025-06-24
12051807 Electrode material Kan HATAKEYAMA, Tomoki Akahane, Choitsu Go, Takahiro Kaseyama 2024-07-30
11639403 Polymer, composite positive active material including the same, and lithium secondary battery including electrode including the positive active material Wonsung Choi, Hiroyuki Nishide, Seokgwang Doo 2023-05-02
10326138 Charge storage material, electrode active material and secondary battery Hiroyuki Nishide, Yuya KAMBE, Takuji Yoshimoto 2019-06-18
10164258 Fused-ring quinone-substituted polynorbornene, electrode active material and secondary battery Hiroyuki Nishide, Takuma KAWAI, Satoshi Nakao, Takuji Yoshimoto 2018-12-25
9871253 Ion-conductive fused-ring quinone polymer, electrode active material and secondary battery Hiroyuki Nishide, Takuma KAWAI, Takuji Yoshimoto 2018-01-16
9647269 Electrode active material and secondary battery Hiroyuki Nishide, Hiroki Yakushiji, Shigeyuki Iwasa, Kentaro Nakahara 2017-05-09
9356292 Radical composition and battery using same Hiroyuki Nishide, Sosuke Yamaguchi, Nobutaka Fujimoto, Yuji Kinpara, Shun Hashimoto +2 more 2016-05-31
9236576 Photoelectric element, process for producing photoelectric element, and photosensitizer Michio Suzuka, Takashi Sekiguchi, Takeyuki Yamaki, Hiroyuki Nishide, Fumiaki Kato +1 more 2016-01-12
9159500 Photoelectric conversion element Michio Suzuka, Takashi Sekiguchi, Naoki Hayashi, Hiroyuki Nishide, Fumiaki Kato 2015-10-13
9029845 Electrode composite and photoelectric element equipped therewith Michio Suzuka, Takashi Sekiguchi, Hiroyuki Nishide, Fumiaki Kato 2015-05-12
9012901 Photoelectric conversion element Michio Suzuka, Takashi Sekiguchi, Naoki Hayashi, Takeyuki Yamaki, Hiroyuki Nishide +1 more 2015-04-21
9013023 Photoelectric element having stacked charge-transport layers Michio Suzuka, Takashi Sekiguchi, Naoki Hayashi, Hiroyuki Nishide, Fumiaki Kato 2015-04-21
8952372 Photoelectric element and method for producing the same Takashi Sekiguchi, Michio Suzuka, Naoki Hayashi, Takeyuki Yamaki, Hiroyuki Nishide +2 more 2015-02-10
8895975 Photoelectric element Naoki Hayashi, Michio Suzuka, Takashi Sekiguchi, Takeyuki Yamaki, Hiroyuki Nishide +2 more 2014-11-25
8841550 Photoelectric element Takashi Sekiguchi, Mitsuo Yaguchi, Takeyuki Yamaki, Hiroyuki Nishide, Fumiaki Kato +2 more 2014-09-23
8729532 Light-absorbing material and photoelectric conversion element Takashi Sekiguchi, Hiroyuki Nishide, Michio Suzuka, Takeyuki Yamaki, Fumiaki Kato +1 more 2014-05-20
8674215 Photoelectric device Takashi Sekiguchi, Shingo Kambe, Hiroyuki Nishide, Fumiaki Kato, Akira Takahashi +3 more 2014-03-18
8592807 Photoelectric element Takashi Sekiguchi, Mitsuo Yaguchi, Takeyuki Yamaki, Hiroyuki Nishide, Fumiaki Kato +2 more 2013-11-26
8114803 Catalyst material and process for preparing the same Makoto Yuasa, Aritomo Yamaguchi, Hiroshi Ikkanda, Ken Tanaka, Yuichi Iai +5 more 2012-02-14
6689919 Catalysts for oxidative polymerization of fluorophenol, method of oxidative polymerization of fluorophenol, and poly(oxyfluorophenylene) derivative Eishun Tsuchida, Yosuke Kumaki, Kei Saito 2004-02-10