Assignee
Inventors
- Jiro Tateyama (31 patents)
- Haruhisa Kato (18 patents)
- Kenji Maeda (180 patents)
- Masato Sugawara (11 patents)
- Jun Oida (9 patents)
- Shuzo Yamaguchi (3 patents)
- Naoki Umemura (18 patents)
- Hirohide Tachikawa (11 patents)
US Patent 5845144 · Granted Dec 1, 1998