Assignee
Inventors
- Mitsuaki Hirata (49 patents)
- Akihiro Nammatsu (9 patents)
- Noriko Watanabe (78 patents)
- Shigeaki Mizushima (48 patents)
- Seiji Makino (16 patents)
- Hiroko Iwagoe (13 patents)
- Kei Oyobe (8 patents)
US Patent 5855968 · Granted Jan 5, 1999