FK

Fusaji Kita

HM Hitachi Maxell: 20 patents #21 of 1,211Top 2%
MA Maxell: 4 patents #158 of 437Top 40%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
HE Hitachi Maxell Energy: 1 patents #2 of 38Top 6%
KC Kanto Denka Kogyo Co.: 1 patents #61 of 140Top 45%
Overall (All Time): #150,966 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 1–25 of 26 patents

Patent #TitleCo-InventorsDate
RE50521 Lithium secondary battery pack, as well as electronic device, charging system, and charging method using said pack Haruki Kamizori, Masayuki Yamada 2025-08-05
RE49407 Lithium secondary battery pack, as well as electronic device, charging system, and charging method using said pack Haruki Kamizori, Masayuki Yamada 2023-01-31
11050095 Separator for electrochemical device, and electrochemical device Hideaki Katayama, Toshihiro Abe, Nobuaki Matsumoto, Shigeo Aoyama 2021-06-29
10044072 Lithium secondary battery pack, as well as electronic device, charging system, and charging method using said pack Haruki Kamizori, Masayuki Yamada 2018-08-07
9350019 Nonaqueous secondary battery and method of using the same Hideo Sakata, Kumiko Ishizuka 2016-05-24
9077035 Nonaqueous secondary battery and method of using the same Hideki Tsubata, Hiroyasu Inoue 2015-07-07
8877385 Non-aqueous secondary battery Hirokazu Kamine, Mitsuhiro Kishimi 2014-11-04
8795884 Nonaqueous secondary battery and electronic device Hideo Sakata, Kumiko Ishizuka, Akiko Kuwabara, Yuan Gao 2014-08-05
8691446 Nonaqueous secondary battery and method of using the same Hideo Sakata, Kumiko Ishizuka 2014-04-08
8637177 Electrochemical device Hirokazu Nomura, Akira Yamashita 2014-01-28
8415058 Nonaqueous secondary battery comprising at least two lithium-containing transition metal oxides of different average particle sizes Hideo Sakata, Kumiko Ishizuka 2013-04-09
8137840 Nonaqueous secondary battery and method of using the same Hideki Tsubata, Hiroyasu Inoue 2012-03-20
7611804 Nonaqueous secondary battery and electronic equipment using the same Hideo Sakata, Hayato Higuchi 2009-11-03
7285361 Non-aqueous secondary battery and portable equipment using the same Hideo Sakata, Haruki Kamizori 2007-10-23
7282303 Non-aqueous secondary battery and portable equipment using the same Hideo Sakata, Haruki Kamizori 2007-10-16
6325611 Non-aqueous secondary cell Minako Iwasaki, Hayato Higuchi, Hiroki Ishikawa, Koji Murakami, Kazunobu Matsumoto 2001-12-04
6143449 Non-aqueous secondary cell Masaharu Higashiguchi, Akira Kawakami 2000-11-07
6059987 Ionic conductive material and electrochemical device comprising the same Akira Kawakami, Yurii Yagupolskii, Tatyana Savina, Natalya Kirij, Leonid Markovsky 2000-05-09
5902698 Ion conductive material and electrochemical device comprising the same Jin An Nie, Koji Murakami, Akira Kawakami, Hiroshi Kobayashi, Takaaki Sonoda 1999-05-11
5691084 Organic electrolytic solution secondary cell Masaharu Higashiguchi, Kouji Murakami, Akira Kawakami 1997-11-25
5534370 Organic electrolytic solution cell Kouji Murakami, Masaharu Higashiguchi, Akira Kawakami, Ginnosuke Tanaka 1996-07-09
5527644 Layer built cell Akira Kato, Tomohiro Harada, Akira Kawakami 1996-06-18
5437944 Organic electrolytic solution cell Akira Kawakami 1995-08-01
5356736 Organic electrolyte solution type cell Akira Kawakami, Kozo Kajita 1994-10-18
5352547 Organic electrolytic solution and organic electrolytic solution cell Kouji Murakami, Akira Kawakami, Takaaki Sonoda, Hiroshi Kobayashi 1994-10-04