Assignee
Inventors
- Hiroshi Kamada (70 patents)
- Hitoshi Masuda (2 patents)
- Yukinobu Hasegawa (11 patents)
- Hiroyoshi Shimomura (4 patents)
- Hiroshi Serizawa (12 patents)
- Kensuke Okuda (2 patents)
- Masatoshi Maruyama (16 patents)
US Patent 5683849 · Granted Nov 4, 1997