SI

Seishi Ishiyama

SI Sumitomo Metal Industries: 2 patents #334 of 1,462Top 25%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
Overall (All Time): #2,180,218 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6893727 Metal gasket and a material for its manufacture and a method for their manufacture Kazuhiko Adachi, Kenichi Goshokubo, Takashi Katsurai 2005-05-17
5712046 Titanium ring for an electrodeposition drum and a method for its manufacture Toru Kamidaira, Noriyasu Ikeda, Daiharu Doi 1998-01-27