Assignee
Inventors
- Akira Tamatani (20 patents)
- Fumio Matsukawa (11 patents)
- Akira Tsumura (21 patents)
- Shin Tahata (15 patents)
- Masaya Mizunuma (18 patents)
- Yasuhiro Morii (19 patents)
- Masayuki Fujii (31 patents)
- Yasuo Fujita (20 patents)
US Patent 6356329 · Granted Mar 12, 2002