Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6839142 | Laser interferometer displacement measuring system, exposure apparatus, and electron beam lithography apparatus | Fumio Isshiki, Masakazu Sugaya, Masahiro Yamaoka, Sumio Hosaka | 2005-01-04 |
| 6687013 | Laser interferometer displacement measuring system, exposure apparatus, and electron beam lithography apparatus | Fumio Isshiki, Masakazu Sugaya, Masahiro Yamaoka, Sumio Hosaka | 2004-02-03 |
| 6334022 | Video information recording and reproducing apparatus | Akihiko Ohba, Toru Matsushita, Masahiro Kageyama, Hiroshi Yoshigi, Taizo Kinoshita +2 more | 2001-12-25 |
| 5842123 | Radio paging system with voice transfer function and radio pager | Nobuo Hamamoto, Tadashi Onishi, Minoru Nagata, Kenichi Mizuishi, Yosuke Tyojamori | 1998-11-24 |
| 5412719 | Radio paging system with voice transfer function and radio pager | Nobuo Hamamoto, Tadashi Onishi, Minoru Nagata, Kenichi Mizuishi, Yosuke Tyojamori | 1995-05-02 |