OA

Osamu Arai

HI Hitachi: 1 patents #856 of 3,149Top 30%
📍 Tochigi, JP: #50 of 182 inventorsTop 30%
Overall (1994): #85,616 of 165,921Top 55%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5281129 Combustion apparatus and control method therefor Haruo Urushidani, Seisaku Takihana, Kazuhiko Kumata, Akira Shimura, Takeshi Iwamiya +1 more 1994-01-25