YK

Yuji Kawamata

SC Senju Metal Industry Co.: 19 patents #8 of 349Top 3%
Ricoh Company: 2 patents #5,693 of 9,818Top 60%
DE Denso: 1 patents #6,940 of 11,792Top 60%
Tdk: 1 patents #2,493 of 3,796Top 70%
SO Sony: 1 patents #17,262 of 25,231Top 70%
Overall (All Time): #199,402 of 4,157,543Top 5%
21
Patents All Time

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
12194573 Solder paste Hiroyoshi Kawasaki, Masato Shiratori 2025-01-14
12031579 Sliding member, bearing, sliding member manufacturing method, and bearing manufacturing method Naoki Sato, Toshio Hakuto, Takashi Akagawa, Ryoichi Suzuki, Takashi Saito +2 more 2024-07-09
11889042 Information processing apparatus, information processing system, fee management method, and recording medium that transmits usage fee in response to detecting that first and second users belong to a same group Nekka Matsuura 2024-01-30
11826860 Flux and solder paste Hiroyoshi Kawasaki, Masato Shiratori, Kazuhiro Minegishi 2023-11-28
11819955 Solder alloy, solder paste, solder ball, solder preform, solder joint, on-board electronic circuit, ECU electronic circuit, on-board electronic circuit device, and ECU electronic circuit device Hiroyoshi Kawasaki, Masato Shiratori 2023-11-21
11813686 Solder alloy, solder paste, solder ball, solder preform, solder joint, and substrate Hiroyoshi Kawasaki, Masato Shiratori 2023-11-14
11571770 Solder alloy, solder paste, solder ball, solder preform, and solder joint Hiroyoshi Kawasaki, Masato Shiratori 2023-02-07
11492223 Sheet conveying device and image forming apparatus incorporating the sheet conveying device Kazuto SHIBUYA 2022-11-08
11377715 Solder alloy, solder paste, solder ball, solder preform, solder joint, and circuit Hiroyoshi Kawasaki, Masato Shiratori 2022-07-05
10888957 Soldering material Hiroyoshi Kawasaki, Tomoaki Nishino, Takahiro Roppongi, Isamu Sato 2021-01-12
10811376 Cu column, Cu core column, solder joint, and through-silicon via Hiroyoshi Kawasaki, Takahiro Roppongi, Daisuke Soma, Isamu Sato 2020-10-20
10675719 Joining member, solder material, solder paste, formed solder, flux coated material, and solder joint Hiroyoshi Kawasaki, Shigeki Kondo, Atsushi Ikeda, Takahiro Roppongi, Takashi Hagiwara +3 more 2020-06-09
10610979 Flux composition for solder applications Daisuke Maruko, Atsumi Takahashi, Hiroki Sudo, Hiroyoshi Kawasaki, Takahiro Hattori +4 more 2020-04-07
10173287 Solder material, solder joint, and method of manufacturing the solder material Hiroyoshi Kawasaki, Takahiro Roppongi, Daisuke Soma, Isamu Sato 2019-01-08
10147695 Cu core ball Hiroyoshi Kawasaki, Tomohiko Hashimoto, Atsushi Ikeda, Takahiro Roppongi, Daisuke Soma +1 more 2018-12-04
9227258 Lead-free solder alloy having reduced shrinkage cavities Minoru Ueshima, Min-Kyu Kang, Kayako Nakagawa, Yasuaki Kokubu 2016-01-05
9073154 Flux for lead-free solder and soldering method Takashi Hagiwara, Hiroyuki Yamada, Kazuyuki Hamamoto 2015-07-07
8888932 Indium-containing lead-free solder for vehicle-mounted electronic circuits Minoru Ueshima, Tomu Tamura, Kazuhiro Matsushita, Masashi Sakamoto 2014-11-18
8845826 Lead-free solder for vehicles and a vehicle-mounted electronic circuit using the solder Minoru Ueshima, Tomu Tamura, Kazuhiro Matsushita, Masashi Sakamoto 2014-09-30
6402013 Thermosetting soldering flux and soldering process Hisayuki Abe, Toshihiko Taguchi, Akiko Iwano 2002-06-11
5932030 Flux for soldering using solder preforms Hiroyuki Fukasawa 1999-08-03