Assignee
Inventors
- Susumu Nakayashiki (13 patents)
- Takeshi Harakawa (9 patents)
- Yoshinori Bekki (6 patents)
- Hiroyuki Wada (113 patents)
- Masahiro Fuse (6 patents)
- Hiroshi Nakase (5 patents)
- Osamu Ebina (5 patents)
- Jiro Kashio (17 patents)
US Patent 4777330 · Granted Oct 11, 1988