MF

Masato Fujikawa

PA Panasonic: 41 patents #302 of 21,108Top 2%
SC Sanyo Electric Co.: 5 patents #1,180 of 6,347Top 20%
TO Toyota: 5 patents #5,641 of 26,838Top 25%
AC Aisin Aw Co.: 4 patents #484 of 2,011Top 25%
Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
JA Jatco: 2 patents #307 of 871Top 40%
JT Jatco Transtechnology: 2 patents #11 of 58Top 20%
Overall (All Time): #41,401 of 4,157,543Top 1%
58
Patents All Time

Issued Patents All Time

Showing 25 most recent of 58 patents

Patent #TitleCo-InventorsDate
12330502 Vehicle Tadashi Okuda, Shunsuke Fushiki, Susumu Hashimoto, Hiroyuki Shioiri 2025-06-17
10541397 Battery Tomohiko Yokoyama, Keisuke Shimizu, Takeshi Enomoto 2020-01-21
10164228 Sealed type battery Keisuke Shimizu, Tomohiko Yokoyama, Kyosuke Miyata, Koki Inoue 2018-12-25
10141599 Non-aqueous electrolyte secondary battery Natsuhiko Mukai 2018-11-27
9866052 Secondary battery charging system and method, and battery pack Kenichi Honoki, Shin-ichi Yuasa 2018-01-09
9831479 Sealed type battery Keisuke Shimizu, Tomohiko Yokoyama, Kyosuke Miyata, Koki Inoue 2017-11-28
9735406 Battery pack Hajime Nishino, Mikinari Shimada, Shunsuke Yasui, Shoichiro Watanabe 2017-08-15
9520588 Nonaqueous electrolyte secondary cell Yasunari Sugita, Kazuki Endo, Tatsuya Ishibashi 2016-12-13
9437854 Battery pack Keisuke Shimizu, Tomohiko Yokoyama 2016-09-06
9368995 Lithium ion battery charging method and battery-equipped device Hajime Nishino, Mitsuhiro Takeno, Mikinari Shimada 2016-06-14
9362587 Rectangular battery Tomohiko Yokoyama, Kazuki Endo 2016-06-07
9337459 Sealed secondary battery Keisuke Shimizu, Tomohiko Yokoyama 2016-05-10
9337454 Battery pack including gas absorption portion Tomohiko Yokoyama, Akiko Yuasa 2016-05-10
9293794 Battery module Tomohiko Yokoyama, Keisuke Shimizu, Shunsuke Yasui, Daisuke Kishii 2016-03-22
9231237 Cell module Keisuke Shimizu, Tomohiko Yokoyama, Keisuke Naito 2016-01-05
9112209 Positive electrode for non-aqueous electrolyte secondary batteries and non-aqueous electrolyte secondary battery Kazuki Endo 2015-08-18
9093704 Non-aqueous electrolyte secondary battery Tomohiko Yokoyama, Hideharu Takezawa, Shinji Kasamatsu 2015-07-28
9088031 Battery module Keisuke Shimizu, Tomohiko Yokoyama, Shunsuke Yasui, Daisuke Kishii 2015-07-21
9048490 Lithium ion secondary battery Tatsuya Ishibashi, Kazuki Endo, Yasunari Sugita 2015-06-02
8871369 Hermetic battery Keisuke Shimizu, Tomohiko Yokoyama, Yasunari Sugita 2014-10-28
8846235 Battery module Tomohiko Yokoyama, Keisuke Shimizu, Shunsuke Yasui, Daisuke Kishii 2014-09-30
8592067 Battery pack having a heat insulating layer Tomohiko Yokoyama, Keisuke Shimizu 2013-11-26
8592076 Battery pack Yasunari Sugita, Tomohiko Yokoyama, Keisuke Shimizu 2013-11-26
8530072 Lithium secondary battery having porous heat resistant layer between electrodes Kaoru Inoue, Mikinari Shimada 2013-09-10
8471566 Internal short circuit evaluation apparatus for battery Hajime Nishino, Mikinari Shimada 2013-06-25