KO

Kazuya Ooishi

HI Hitachi: 3 patents #145 of 3,149Top 5%
📍 Yatomi, JP: #1 of 8 inventorsTop 15%
Overall (1994): #11,594 of 165,921Top 7%
3
Patents 1994

Issued Patents 1994

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5373279 Arrester for gas insulated switchgear device Jun Ozawa, Katsuji Shindo, Yoshitaka Yagihashi 1994-12-13
5359316 Zinc oxide type arrester Jun Ozawa, Katsuji Shindo 1994-10-25
5283709 Lightning arrester on tower for power transmission Shingo Shirakawa, Syuichi Terakado, Jun Ozawa 1994-02-01