Assignee
Inventors
- Shinobu Abe (3 patents)
- Yoshihiro Ota (14 patents)
- So Hashizume (1 patents)
- Satoshi Koike (2 patents)
- Akio Nomoto (3 patents)
- Hiromichi Yonekawa (5 patents)
- Choji Taya (4 patents)
- Tatsuji Nomura (4 patents)
US Patent 5986171 · Granted Nov 16, 1999