Assignee
Inventors
- Hisashi Tsukazaki (5 patents)
- Goro Oakamoto (1 patents)
- Yuki Ito (165 patents)
- Kenichiro Yamanishi (6 patents)
- Hiroki Ito (96 patents)
- Masahiro Hanai (6 patents)
- Hiroyuki Ishii (377 patents)
US Patent 5525158 · Granted Jun 11, 1996