FI

Fumio Ishiyama

KT Kabushiki Kaisha Toshiba: 1 patents #376 of 1,409Top 30%
📍 Nasushiobara, JP: #11 of 23 inventorsTop 50%
Overall (1989): #113,658 of 140,708Top 85%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4797908 Voltage-resonance type power supply circuit for X-ray tube Shigeru Tanaka 1989-01-10