Assignee
Inventors
- Kazunori Takahashi (100 patents)
- Nobuhiro Hamada (13 patents)
- Masao Takato (5 patents)
- Kenji Baba (93 patents)
- Yasuo Morooka (56 patents)
- Junzo Kawakami (19 patents)
- Takayoshi Yokota (28 patents)
- Ryuji Kiyokawa (1 patents)
US Patent 5335180 · Granted Aug 2, 1994