Assignee
Inventors
- Yoshichika Takizawa (14 patents)
- Yasuyuki Suzuki (189 patents)
- Misako Okada (12 patents)
- Makoto Nishimura (98 patents)
- Hidehiko Matsumoto (10 patents)
- Yasuharu Kudo (15 patents)
- Tohru Tsujimoto (7 patents)
US Patent 5859515 · Granted Jan 12, 1999