SH

Sumio Hosaka

HI Hitachi: 2 patents #339 of 2,942Top 15%
Pioneer Electronic: 1 patents #46 of 253Top 20%
Overall (1997): #10,804 of 185,788Top 6%
3
Patents 1997

Issued Patents 1997

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5679911 Karaoke reproducing apparatus which utilizes data stored on a recording medium to make the apparatus more user friendly Yoshiaki Moriyama, Kouichi Ono, Tatsuyuki Miyazawa, Hiroshi Fujii, Masahiko Miyashita 1997-10-21
5627815 Precision machining method precision machining apparatus and data storage apparatus using the same Hajime Koyanagi, Ryo Imura 1997-05-06
5615192 Information recording and reproducing method and apparatus Atsushi Kikukawa, Youji Maruyama, Toshimichi Shintani, Takeshi Shimano 1997-03-25