Assignee
Inventors
- Hirohiko Hirao (15 patents)
- Yoshimasa Kikukawa (7 patents)
- Toshihiro Okamoto (39 patents)
- Takayuki Murai (55 patents)
- Seiji Sogabe (5 patents)
- Miya Tanioka (6 patents)
- Rie Nakayama (2 patents)
- Takashi Yoshioka (83 patents)
US Patent 5560785 · Granted Oct 1, 1996