Assignee
Inventors
- Kenyu Haruta (14 patents)
- Akihiro Suzuki (201 patents)
- Akihiko Iwata (90 patents)
- Yasushi Minamitani (6 patents)
- Hitoshi Wakata (15 patents)
- Tomohiro Sasagawa (42 patents)
- Takashi Kumagai (108 patents)
US Patent 5258994 · Granted Nov 2, 1993