Assignee
Inventors
- Yoshiki Miura (19 patents)
- Mitsuru Shimazu (10 patents)
- Kensaku Motoki (61 patents)
- Takuji Okahisa (47 patents)
- Masato Matsushima (7 patents)
- Hisashi Seki (8 patents)
- Akinori Koukitu (32 patents)
US Patent 6031252 · Granted Feb 29, 2000