YH

Yoshihisa Hagiwara

Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
📍 Kasai, JP: #2,743 of 5,842 inventorsTop 50%
Overall (All Time): #2,169,249 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7064490 Compact self-ballasted electrodeless discharge lamp and electrodeless-discharge-lamp lighting device Kiyoshi Hashimotodani, Takeshi Arakawa, Akira Hochi, Koichi Katase, Yuuji Omata 2006-06-20
7049763 Electrodeless low-pressure discharge lamp operating device and self-ballasted electrodeless fluorescent lamp Akira Hochi, Takeshi Arakawa, Kiyoshi Hashimotodani, Katsushi Seki, Yuuji Omata 2006-05-23