YK

Yasuji Kawashima

Sumitomo Electric Industries: 5 patents #5,365 of 21,551Top 25%
SC Senju Metal Industry Co.: 2 patents #126 of 349Top 40%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
📍 Ibaraki, JP: #1,290 of 6,779 inventorsTop 20%
Overall (All Time): #628,320 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
11167364 Jet solder bath and jet soldering apparatus Ryoichi Suzuki, Tetuya Okuno, Shigeo Komine, Takashi Sugihara 2021-11-09
10894294 Jet solder level confirmation jig and method of handling the same Ryoichi Suzuki, Shigeo Komine, Takashi Sugihara, Hiroyuki Inoue 2021-01-19
7971627 Device for producing metal sample and process for producing metal sample 2011-07-05
6805282 Flow soldering process and apparatus Kenichiro Suetsugu, Shunji Hibino, Hiroaki Takano, Tatsuo Okuji, Shoshi Kabashima +2 more 2004-10-19
6235208 Method for separating solder and solder oxides Kaoru Shimizu 2001-05-22
6214218 Soldering apparatus and agent for separating solder and solder oxides Kaoru Shimizu 2001-04-10
5690890 Solder Takashi Nagashima, Akihiko Matsuike, Takeshi Meguro, Kaoru Shimizu, Hideo Chaki +1 more 1997-11-25
4981249 Automatic jet soldering apparatus Kazuo Nishibori, Yasuhiro Morita, Sachiho Hayama 1991-01-01