Assignee
Inventors
- Hidetsugu Takagaki (18 patents)
- Masayoshi Abe (10 patents)
- Mitsuru Sakai (15 patents)
- Yasuo Aoki (47 patents)
- Shigenori Nakanishi (7 patents)
- Nobuyuki Kimura (12 patents)
- Akihide Koda (12 patents)
US Patent 6114352 · Granted Sep 5, 2000