Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5671200 | Method for detecting the movement of a light beam and optical information reproduction apparatus using the same | Mitsuro Moriya, Hiroyuki Yamaguchi, Yoshihiro Kanda, Hiromichi Ishibashi | 1997-09-23 |
| 5604652 | Tape speed control apparatus using rotation speed ratio of first and second tape reels | Masafumi Nishida, Souichirou Fujioka, Hiroshi Okamoto, Yoshiho Gotoh | 1997-02-18 |