YM

Yoshimi Maehara

HI Hitachi: 2 patents #339 of 2,942Top 15%
HM Hitachi Maxell: 2 patents #5 of 84Top 6%
Overall (1997): #19,093 of 185,788Top 15%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5702062 Tape cassette Nobuyuki Kaku, Seiji Ono, Mikihisa Inoue 1997-12-30
5602695 Cassette loading mechanism for recording and playback apparatus Tatsumi Nishijima, Hidekazu Takeda, Kenmei Masuda, Hikaru Mizutani 1997-02-11