Assignee
Inventors
- Toshiaki Nonomura (4 patents)
- Takehiro Ohno (21 patents)
- Toshihiro Uehara (40 patents)
- Hiroshi Yakuwa (17 patents)
- Matsuho Miyasaka (12 patents)
- Shuhei Nakahama (9 patents)
- Shigeru Sawada (38 patents)
US Patent 6562157 · Granted May 13, 2003