Assignee
Inventors
- Hirotomo Kato (1 patents)
- Noriko Nakamura (10 patents)
- Hiroko Aida (1 patents)
- Shigeyoshi Takagi (1 patents)
- Toshihiro Watari (1 patents)
- Hajime Tsujimoto (3 patents)
- Atsuhiko Hasegawa (1 patents)
US Patent 5912334 · Granted Jun 15, 1999