Assignee
Inventors
- Toshiaki Sugitani (4 patents)
- Kenichiro Tsuyuki (2 patents)
- Yukie Miyata (2 patents)
- Tadashi Ebashi (6 patents)
- Hideaki Okui (2 patents)
- Yoshikazu Nakajima (12 patents)
- Kenzo Sawada (2 patents)
US Patent 5336617 · Granted Aug 9, 1994