SY

Shunsaku Yoshikawa

SC Senju Metal Industry Co.: 31 patents #3 of 349Top 1%
Overall (All Time): #116,440 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 1–25 of 31 patents

Patent #TitleCo-InventorsDate
12383987 Lead-free and antimony-free solder alloy, solder ball, ball grid array, and solder joint Yuuki Iijima, Takashi Saito, Kanta Dei 2025-08-12
12377500 Lead-free and antimony-free solder alloy, solder ball, and solder joint Yuuki Iijima, Takashi Saito, Kanta Dei, Takahiro Matsufuji 2025-08-05
12179291 Method for step-soldering Takashi Saito, Naoko IZUMITA 2024-12-31
12109653 Solder alloy, solder ball, solder paste, and solder joint Takahiro Matsufuji, Hiroki Sudo 2024-10-08
12053843 Solder alloy, solder paste, solder ball, solder preform, solder joint, in-vehicle electronic circuit, ECU electronic circuit, in-vehicle electronic circuit device and ECU electronic circuit device Takashi Saito, Yuuki Iijima, Kanta Dei, Takahiro Matsufuji 2024-08-06
11992902 Solder alloy and solder joint Takahiro Yokoyama 2024-05-28
11772204 Preform solder and method of manufacturing the same, and method of manufacturing solder joint Shunsuke KOGA, Tomoki Sasaki, Yoshie Tachibana 2023-10-03
11633815 Solder paste Toru Hayashida, Takashi Saito, Kanta Dei 2023-04-25
11628520 Preform solder and method of manufacturing the same, and method of manufacturing solder joint Shunsuke KOGA, Tomoki Sasaki, Yoshie Tachibana 2023-04-18
11607753 Solder alloy, cast article, formed article, and solder joint Takashi Saito, Takahiro Matsufuji, Naoko IZUMITA, Yuuki Iijima, Kanta Dei 2023-03-21
11577344 Solder alloy Yuuki Iijima, Takashi Saito 2023-02-14
11241760 Solder alloy, solder paste, solder ball, resin flux-cored solder and solder joint Takahiro Yokoyama, Takahiro Matsufuji, Hikaru Nomura 2022-02-08
11167379 Solder alloy, solder ball, solder preform, solder paste and solder joint Yuki Iijima, Hikaru Nomura, Takashi Saito, Naoko IZUMITA 2021-11-09
11123824 Solder alloy Takahiro Yokoyama 2021-09-21
10967464 Solder alloy, solder paste, and solder joint Naoko IZUMITA, Yoshie Tachibana 2021-04-06
10717158 Solder alloy for preventing Fe erosion, resin flux cored solder, wire solder, resin flux cored wire solder, flux coated solder, solder joint and soldering method Takashi Saito, Yoko Kurasawa 2020-07-21
10500680 Solder alloy, solder ball, and solder joint Ken Tachibana, Hikaru Nomura, Yuki Iijima, Takashi Saito, Takahiro Yokoyama +1 more 2019-12-10
10350712 Solder paste Motoki Koroki, Sakie Okada, Taro Itoyama, Hideyuki KOMURO, Naoko Hirai +1 more 2019-07-16
10343238 Lead-free solder alloy Masayuki Suzuki, Naoko IZUMITA, Ken Tachibana, Rei Fujimaki, Hikaru Nomura 2019-07-09
10213879 Solder alloy Hikaru Nomura 2019-02-26
10137536 Sn-Cu-based lead-free solder alloy Tsukasa Ohnishi, Seiko Ishibashi, Rei Fujimaki 2018-11-27
10076808 Lead-free solder alloy Tsukasa Ohnishi, Ken Tachibana, Yoshie Yamanaka, Hikaru Nomura, Kyu Oh Lee 2018-09-18
9987710 Solder paste Motoki Koroki, Sakie Okada, Taro Itoyama, Hideyuki KOMURO, Naoko Hirai +1 more 2018-06-05
9844837 Lead-free solder alloy Masato Shimamura, Tsukasa Ohnishi, Mitsuhiro Kosai, Kazuyori Takagi, Tomoko Nonaka +4 more 2017-12-19
9837757 Lead-free solder alloy and in-vehicle electronic circuit Naoko Hirai, Ken Tachibana, Yoshie Tachibana 2017-12-05