Assignee
Inventors
- Shinji Nakanishi (36 patents)
- Kazuya Iwamoto (58 patents)
- Hiroyuki Murai (81 patents)
- Kiyomi Kato (10 patents)
- Yukishige Inaba (1 patents)
- Shoichiro Watanabe (69 patents)
- Hizuru Koshina (40 patents)
US Patent 6723472 · Granted Apr 20, 2004