Ryuji Ito — 9 Patents at Fdk | Patent Leaderboard

Ryuji Ito has been granted 9 US patents while listed as an inventor at Fdk. The first was granted in 1999 and the most recent in September 2025. Ryuji Ito ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Ryuji Ito in Tokyo, JP.

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Showing 1–9 of 9 patents

Patent #	Title	Co-Inventors	Date
12424685	Laminate-type power storage element	Misako Ikeyama, Rei Hanamura, Hiroshi Yanagi	2025-09-23
10923698	Laminate-type power storage element	Yuya Iida, Yasuaki Egawa, Daisuke Hirata, Akihiro Yamamoto	2021-02-16
10741880	Laminated rechargeable element	Tsukasa Mano, Naoaki Nishimura, Yuya Iida	2020-08-11
10553908	Method of manufacturing a laminated power storage element	Takayuki Kumagai, Yuya Iida, Daisuke Hirata, Yasuaki Egawa, Tsukasa Mano +3 more	2020-02-04
10546700	Laminate-type power storage element and method of implementing the same	Daisuke Hirata, Tsukasa Mano, Naoaki Nishimura, Akihiro Yamamoto	2020-01-28
10418617	Laminate-type power storage element and manufacturing method thereof	Tsukasa Mano, Daisuke Hirata, Naoaki Nishimura, Yuya Iida	2019-09-17
10109832	Laminated lithium primary battery	Tsukasa Mano, Yuya Iida, Akihiro Yamamoto	2018-10-23
8974116	Heat sink for measuring temperature of electronic component	Tomomi Okamoto, Hiroshi Yamada, Osamu Higashi	2015-03-10
5887136	Communication system and communication control method for the same	Chikara Yasuda, Masahiro Takagi, Tsuguhiro Hirose, Narito Kimura, Kazue Fujiwara	1999-03-23

Ryuji Ito — 9 Patents

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