Assignee
Inventors
- Kiyoshi Nishimura (66 patents)
- Ariyoshi Ishizaki (7 patents)
- Kunio Yuasa (2 patents)
- Masuo Shibuya (3 patents)
- Masami Takagi (11 patents)
- Naoki Tsutsui (9 patents)
- Miho Saito (6 patents)
- Shinji Mochimaru (1 patents)
US Patent 6057635 · Granted May 2, 2000