Assignee
Inventors
- Hiroshi Yamashita (318 patents)
- Hiroshi Iwata (291 patents)
- Setsuo Suzuki (23 patents)
- Toshihiro Tokudome (2 patents)
- Masayuki Ogawa (44 patents)
- Isao Kodaka (2 patents)
- Masatoshi Kaku (2 patents)
- Hisao Usogoe (2 patents)
US Patent 6388749 · Granted May 14, 2002