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 5498301 · Granted Mar 12, 1996