Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7099243 | Optical pickup apparatus, optical disc apparatus, and tracking control method thereof | Tsutomu Maruyama | 2006-08-29 |
| 6024895 | Cross-linkable, electrically conductive composition, electric conductor and process for forming the same | Shigeru Shimizu, Masashi Uzawa, Takashi Saitoh, Yasuyuki Takayanagi, Naoki Sugama | 2000-02-15 |
| 5771220 | Output control apparatus of semiconductor laser device | Yoshiki Takemoto | 1998-06-23 |
| 4812208 | Headbox for paper machine with parallel twisted plates | Kazumi Abe, Masaji Shibamoto, Masahiro Yakabe | 1989-03-14 |
| 4617499 | Brushless motor | — | 1986-10-14 |
| 4599663 | Recording apparatus with stable disc support and high magnetic flux hold-down | Etsuro Saito, Shinichiro Takahashi, Tsutomu Akiyama | 1986-07-08 |