Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
HS

Hideki Shimamoto — 27 Patents

Panasonic: 17 patents #1,285 of 21,108Top 7%
Sumitomo Electric Industries: 10 patents #2,734 of 21,551Top 15%
SISanyo Chemical Industries: 4 patents #54 of 607Top 9%
MCMitsui Chemicals: 1 patents #1,270 of 2,279Top 60%
Overall (All Time): #140,887 of 4,157,543Top 4%
27 Patents All Time

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDate
12283436 Power storage device, and method for manufacturing power storage device Toshitaka Kobayashi, Eiko Ishii, RYOTA MORIOKA, Hiroki Hayashi 2025-04-22
12205773 Electrolytic capacitor and capacitor element Keita Uenaka, Kei Hirota, Nao Matsumura 2025-01-21
9287059 Electric storage device and method of manufacture thereof Teruhisa Miura, Ikufumi Oshima, Kazuhiro Murakami, Shusaku Kawasaki, Susumu Nomoto +3 more 2016-03-15
9218912 Electrochemical capacitor Shotaro Doi, Susumu Nomoto 2015-12-22
9030805 Capacitor and capacitor module using the same Teruhisa Miura, Shusaku Kawasaki 2015-05-12
8988858 Electrode for electrochemical capacitor and electrochemical capacitor using same Kiyohiro Isii, Junko Fujisawa, Susumu Nomoto 2015-03-24
8958197 Electrode for capacitor, process for producing same, and capacitor including the electrode Keiichi Kondou, Yukihiro Shimasaki, Tomohiro Okuzawa 2015-02-17
8780528 Electrolyte and electric double-layer capacitor using same Seiji Takagi, Hiroyuki Maeshima, Nao Matsumura 2014-07-15
8693166 Capacitor Keiichi Kondou, Yukihiro Shimasaki 2014-04-08
8422199 Electrolyte solution and electrochemical capacitor using same Shotaro Doi, Atsuro Shirakami, Kiyohiro Isii, Susumu Nomoto 2013-04-16
8351182 Electric double layer capacitor Chiho Yamada, Eri Hirose, Yoshinori Takamuku 2013-01-08
8085525 Electric double layer capacitor including current collector having a plurality of apertures therein Motohiro Sakata, Keiichi Kondou 2011-12-27
8034642 Method for pretreating electrochemical capacitor negative electrode, method for manufacturing the electrochemical capacitor negative electrode, and method for manufacturing electrochemical capacitor using the method for manufacturing the electrochemical capacitor negative electrode Keiichi Kondou, Susumu Nomoto 2011-10-11
7948738 Electrode material for electric double layer capacitor and process for producing the same, electrode for electric double layer capacitor, and electric double layer capacitor Chiho Yamada, Kouhei Okuyama, Hisatsugu Izuhara, Mitsumasa Hijiriyama 2011-05-24
7885053 Electric double layer capacitor and method for manufacturing same Nao Matsumura, Motohiro Sakata 2011-02-08
7830647 Capacitor Teruhisa Miura, Shusaku Kawasaki, Masayuki Shinjou 2010-11-09
7706127 Capacitor Teruhisa Miura, Motohiro Sakata, Shusaku Kawasaki, Kouji Ueoka, Shinji Nakano 2010-04-27
7394648 Electric double-layer capacitor, its manufacturing method, and electronic device using same Keiichi Kondo 2008-07-01
6665171 Electrochemical capacitor Yoshinori Takamuka 2003-12-16
6621684 Electric double layer capacitor, electrolytic solution therefore and method for suppressing self-discharge in electronic component Yoshinori Takamuku, Yukiya Kobayashi, Minako Fujiyoshi 2003-09-16
6315918 Non-aqueous electrolytic solution for capacitor and capacitor containing non-aqueous electrolytic solution Satoko Mita, Tsuneaki Koike, Takeshi Ishitoku, Tatsuyoshi Ishida, Yoshinori Takamuku 2001-11-13
6185089 Electrolytic solution for capacitor and capacitor Satoko Mita, Tsuneaki Koike, Yoshinori Takamuku 2001-02-06
5457599 Electrolyte for electrolytic capacitors and electrolytic capacitor using the electrolyte Yoshiteru Kuwae, Katsuji Shiono, Takaaki Kishi, Hisao Nagara, Keiji Mori +1 more 1995-10-10
5177673 Electrolyte for driving electrolytic capacitors and capacitor using the same Hisao Nagara, Keiji Mori, Noriki Ushio, Katsuji Shiono, Takaaki Kishi 1993-01-05
5055974 Electrolyte for use in electrolytic capacitors Yukari Washio, Nobuhiro Takeishi, Keiji Mori, Noriki Ushio, Katsuji Shiono +2 more 1991-10-08