Assignee
Inventors
- Masahiko Kurishige (43 patents)
- Takayuki Kifuku (88 patents)
- Seiji Sakanishi (4 patents)
- Masaharu Tanaka (55 patents)
- Seiji Sawada (49 patents)
- Akinobu Sugiyama (14 patents)
- Hanako Hamada (2 patents)
US Patent 8019507 · Granted Sep 13, 2011