Assignee
Inventors
- Kenji Yamamoto (585 patents)
- Hisanori Nasu (21 patents)
- Toshimasa Watanabe (5 patents)
- Yuuji Tsukamoto (1 patents)
- Tateo Kondou (1 patents)
- Takehiko Nishida (26 patents)
- Hitoshi Fujimiya (12 patents)
- Noriko Yurino (7 patents)
US Patent 5991030 · Granted Nov 23, 1999