Assignee
Inventors
- Shuji Izumi (34 patents)
- Toshihiko Ishimura (59 patents)
- Tatsuya Ishida (20 patents)
- Noriyuki Ishii (28 patents)
- Hiroshi Yoshino (68 patents)
- Katsuyuki Nanba (46 patents)
- Hirokazu Kuroda (10 patents)
US Patent 5218399 · Granted Jun 8, 1993