Assignee
Inventors
- Kunihiko Sekiya (5 patents)
- Katsumi Nitta (2 patents)
- Hirobumi Karasawa (2 patents)
- Michiaki Okano (8 patents)
- Katsuhiko Kuma (2 patents)
- Kazunori Iwasaki (32 patents)
- Kensuke Uehara (10 patents)
- Satoru Hashimoto (9 patents)
US Patent 6134692 · Granted Oct 17, 2000