Assignee
Inventors
- Shinji Owaki (7 patents)
- Toshimasa Kuroda (18 patents)
- Susumu Shimizu (30 patents)
- Akio Sakihara (11 patents)
- Kinya Kumazawa (22 patents)
- Hiroshi Tabata (76 patents)
- Makoto Asano (43 patents)
- Hidekazu Takahashi (208 patents)
US Patent 6243521 · Granted Jun 5, 2001