KK

Keiichi Kuramoto

SC Sanyo Electric Co.: 36 patents #54 of 6,347Top 1%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
Overall (All Time): #90,508 of 4,157,543Top 3%
37
Patents All Time

Issued Patents All Time

Showing 26–37 of 37 patents

Patent #TitleCo-InventorsDate
6066399 Hard carbon thin film and method of forming the same Hitoshi Hirano, Yoichi Domoto 2000-05-23
6022622 Hard carbon film-coated substrate and method for fabricating the same Yoichi Domoto, Hitoshi Hirano, Seiichi Kiyama 2000-02-08
5986857 Thin film magnetic head including adhesion enhancing interlayers, and upper and lower gap insulative layers having different hydrogen contents and internal stress states Hitoshi Hirano, Yoichi Domoto, Hisaki Tarui 1999-11-16
5920143 Surface acoustic wave device Hisaki Tarui, Hitoshi Hirano, Yoichi Domoto 1999-07-06
5901021 Thin-film magnetic head Hitoshi Hirano, Yoichi Domoto, Seiichi Kiyama 1999-05-04
5864452 Thin-film magnetic head and method of forming carbon film Hitoshi Hirano, Yoichi Domoto, Seiichi Kiyama 1999-01-26
5695832 Method of forming a hard-carbon-film-coated substrate Hitoshi Hirano, Yoichi Domoto, Seiichi Kiyama 1997-12-09
5691010 Arc discharge plasma CVD method for forming diamond-like carbon films Hitoshi Hirano, Yoichi Domoto, Seiichi Kiyama 1997-11-25
5629086 Hard-carbon-film-coated substrate and apparatus for forming the same Hitoshi Hirano, Yoichi Domoto, Seiichi Kiyama 1997-05-13
5626963 Hard-carbon-film-coated substrate and apparatus for forming the same Hitoshi Hirano, Yoichi Domoto, Seiichi Kiyama 1997-05-06
5458928 Method of forming metal material film with controlled color characteristic Seiichi Kiyama, Hitoshi Hirano, Yoichi Domoto 1995-10-17
5428961 Micromachines Takahisa Sakakibara, Hiroaki Izu, Seiichi Kiyama, Hitoshi Hirano, Yoichi Domoto +8 more 1995-07-04