Assignee
Inventors
- Shinji Iwamoto (9 patents)
- Toshiaki Mizuno (71 patents)
- Toshihiko Muramatsu (30 patents)
- Kazushi Nakashima (11 patents)
- Tomoaki Abe (68 patents)
- Masao Yonekawa (16 patents)
- Yoshihiro Sakashita (5 patents)
US Patent 5546911 · Granted Aug 20, 1996