Assignee
Inventors
- Hiroshi Shimozawa (7 patents)
- Masaru Kumagai (36 patents)
- Fumihiko Tsuchitani (1 patents)
- Mayumi Koga (1 patents)
- Tadayuki Nakamura (4 patents)
- Nobuhiro Saitoh (18 patents)
- Shigeo Yamafuji (1 patents)
US Patent 5789359 · Granted Aug 4, 1998