Assignee
Inventors
- Toshimasa Hamada (17 patents)
- Masaru Iwasaki (8 patents)
- Tetsuya Hanamoto (27 patents)
- Shohichi Katoh (11 patents)
- Takahiro Funakoshi (5 patents)
- Koji Miyake (77 patents)
- Masumi Nakamichi (7 patents)
US Patent 5644124 · Granted Jul 1, 1997