AO

Akira Onuma

HI Hitachi: 2 patents #339 of 2,942Top 15%
Overall (1997): #46,432 of 185,788Top 25%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5687045 Thin film magnetic head and production method thereof and magnetic disk drive equipped with this thin film magnetic head Tetsuya Okai, Moriaki Fuyama, Eiji Ashida, Hiroshi Ikeda, Saburo Suzuki +3 more 1997-11-11
5654992 Method of repairing structural materials of nuclear reactor internals and apparatus therefor Keiichi Uraki, Hisanori Okamura, Toshimi Matsumoto, Toshitaka Satsuta, Mitsuo Nakamura +4 more 1997-08-05