Inventor: Sakazaki, Ushio
Inventor: Murakami, Yasuyuki
Inventor: Murakami, Yasuyuki
Inventor: Murakami, Yasuyuki
Inventor: Stevenson, John
Inventor: Murakami, Yasuyuki
Inventor: Murakami, Yasuyuki
Inventor: Murakami, Yasuyuki
Inventor: Ritchie, John Stanley, Ritchie, Kathleen Anne
Inventor: Murakami, Yasuyuki
Inventor: Ernest D. Williams