Inventor: Kako, Tetsuya, Miyazaki, Kiyoshi
Inventor: Takamura, Naoto, Miyazaki, Kiyoshi
Inventor: Takamura, Naoto, Miyazaki, Kiyoshi
Inventor: Takamura, Naoto, Miyazaki, Kiyoshi
Inventor: Kitajima, Osamu
Inventor: Kitajima, Osamu
Inventor: Kitajima, Osamu
Inventor: Black, Robert Eugene
Inventor: Ernest D. Williams