Assignee
Inventors
- Manabu Hori (2 patents)
- Ikuo Watanabe (1 patents)
- Hiroshi Ohtaka (7 patents)
- Kengo Harada (1 patents)
- Joji Maruo (1 patents)
- Tominori Morita (5 patents)
- Takeshi Yamamoto (543 patents)
- Hisayoshi Tsutsui (1 patents)
US Patent 5597820 · Granted Jan 28, 1997