YH

Yasuharu Hirai

HI Hitachi: 4 patents #8,942 of 28,497Top 35%
📍 Chofu, JP: #147 of 517 inventorsTop 30%
Overall (All Time): #1,246,773 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7499520 X-ray imaging apparatus and method with an X-ray interferometer Akio Yoneyama 2009-03-03
7346145 X-ray imaging system Akio Yoneyama 2008-03-18
4704540 Photoelectric shock wave detection system for vacuum protection 1987-11-03
4379250 Field emission cathode and method of fabricating the same Shigeyuki Hosoki, Shigehiko Yamamoto, Hideo Todokoro, Susumu Kawase 1983-04-05