OS

Osamu Sakai

KC Kokuyo Co.: 1 patents #2 of 4Top 50%
Mitsubishi Electric: 1 patents #480 of 1,688Top 30%
Overall (1994): #23,504 of 165,921Top 15%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5316214 Air conditioner for railway vehicles Takane Suzuki, Sakuo Sugawara, Nobuyoshi Hamazaki, Ken Ito, Koichiro Tsutsumi 1994-05-31
5313893 Desk Shinichi Kaneda, Shouji Tamaki 1994-05-24