Assignee
Inventors
- Naoki Tahara (14 patents)
- Kunihiko Watanabe (97 patents)
- Nobuya Hioki (2 patents)
- Yasushi Morinaga (10 patents)
- Tadahiko Hajouda (1 patents)
- Hiroshi Miyashita (1 patents)
- Akira Shibata (4 patents)
- Hiroshi Ougiya (2 patents)
US Patent 6069136 · Granted May 30, 2000