Assignee
Inventors
- Hiroyuki Adachi (12 patents)
- Masao Yamaguchi (169 patents)
- Takahiro Sagae (7 patents)
- Masami Koguchi (8 patents)
- Kazuyuki Tomita (1 patents)
- Takashi Kawana (10 patents)
- Akihiro Takahashi (9 patents)
US Patent 6100421 · Granted Aug 8, 2000