JO

Jun Ozawa

HI Hitachi: 3 patents #145 of 3,149Top 5%
📍 Nara, JP: #20 of 319 inventorsTop 7%
Overall (1994): #11,745 of 165,921Top 8%
3
Patents 1994

Issued Patents 1994

Showing 1–3 of 3 patents

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