Assignee
Inventors
- Kunihiko Kaga (19 patents)
- Tomoko Suzuki (5 patents)
- Satoru Kotoh (27 patents)
- Katsuhisa Ootsuta (8 patents)
- Takayuki Yoshida (87 patents)
- Eriko Kumekawa (3 patents)
- Sakuo Sugawara (13 patents)
- Tatsuo Seki (11 patents)
US Patent 6276440 · Granted Aug 21, 2001