Assignee
Inventors
- Noriyoshi Sato (23 patents)
- Satoru Iizuka (5 patents)
- Tsukasa Yoneyama (7 patents)
- Hiroyasu Sato (61 patents)
- Unryu Ogawa (14 patents)
- Yoshio Tominaga (3 patents)
- Yoichiro Numazawa (1 patents)
- Yukito Nakagawa (18 patents)
US Patent 6376796 · Granted Apr 23, 2002