Assignee
Inventors
- Akiko Saitou (3 patents)
- Shigeru Osawa (59 patents)
- Nobuhiro Tamura (19 patents)
- Noriyuki Hayama (2 patents)
- Yoshiyuki Matsunaga (111 patents)
- Takashi Yorifuji (6 patents)
- Mitsuru Shiozaki (8 patents)
- Masahiro Izumi (38 patents)
US Patent 6657389 · Granted Dec 2, 2003