YF

Yoshio Fujita

Yamaha: 3 patents #7 of 184Top 4%
HK Hamamatsu Photonics K.K.: 1 patents #33 of 104Top 35%
Overall (1997): #5,137 of 185,788Top 3%
4
Patents 1997

Issued Patents 1997

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5668334 Tone data recording and reproducing device Hirotaka Kuribayashi, Hironai Kobayashi, Takashi Hirakata, Kazuhiro Gotoh 1997-09-16
5652797 Sound effect imparting apparatus Kazuhisa Okamura 1997-07-29
5613147 Signal processor having a delay ram for generating sound effects Kazuhisa Okamura 1997-03-18
5598061 Photomultiplier Kimitsugu Nakamura, Keiichi Ohishi 1997-01-28