Assignee
Inventors
- Kenichi Mitsumori (28 patents)
- Yasuhiko Kasama (42 patents)
- Nobuaki Haga (12 patents)
- Shoichi Ono (17 patents)
- Junichiro Soejima (10 patents)
- Norihisa Takahashi (8 patents)
- Akio Fujie (2 patents)
- Mineo Iwasaki (2 patents)
US Patent 6644327 · Granted Nov 11, 2003