Assignee
Inventors
- Susumu Fujimori (3 patents)
- Masaya Takahashi (107 patents)
- Mamoru Ishitani (2 patents)
- Shinji Tsuru (4 patents)
- Akira Iwasawa (4 patents)
- Fumio Yamamoto (27 patents)
- Satoru Kurosawa (3 patents)
US Patent 6117555 · Granted Sep 12, 2000